.opencode/node_modules/effect/dist/Cause.js

/**
 * Records the full reason an `Effect` failed.
 *
 * A `Cause<E>` can contain typed failures, unexpected defects, interruptions,
 * and annotations. Keeping those details together lets code inspect or format
 * failures without first collapsing them to a single error value. This module
 * includes the `Cause` and `Reason` data types, helpers for building and
 * checking causes, and small error types used by several Effect APIs.
 *
 * @since 2.0.0
 */
import * as Context from "./Context.js";
import * as core from "./internal/core.js";
import * as effect from "./internal/effect.js";
/**
 * Unique brand for `Cause` values, used for runtime type checks via {@link isCause}.
 *
 * @category type IDs
 * @since 4.0.0
 */
export const TypeId = core.CauseTypeId;
/**
 * Unique brand for `Reason` values, used for runtime type checks via {@link isReason}.
 *
 * @category type IDs
 * @since 4.0.0
 */
export const ReasonTypeId = core.CauseReasonTypeId;
/**
 * Checks whether an arbitrary value is a `Cause`.
 *
 * **Example** (runtime type check)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.isCause(Cause.fail("error"))) // true
 * console.log(Cause.isCause("not a cause")) // false
 * ```
 *
 * @category guards
 * @since 2.0.0
 */
export const isCause = core.isCause;
/**
 * Checks whether an arbitrary value is a `Reason` (`Fail`, `Die`, or `Interrupt`).
 *
 * **Example** (runtime type check)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const reason = Cause.fail("error").reasons[0]
 * console.log(Cause.isReason(reason)) // true
 * console.log(Cause.isReason("not a reason")) // false
 * ```
 *
 * @category guards
 * @since 4.0.0
 */
export const isReason = core.isCauseReason;
/**
 * Narrows a `Reason` to `Fail`.
 *
 * **When to use**
 *
 * Use as a predicate for `Array.filter` to pick out typed `Fail` reasons when
 * iterating over `cause.reasons`.
 *
 * **Example** (filtering fail reasons)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause = Cause.fail("error")
 * const fails = cause.reasons.filter(Cause.isFailReason)
 * console.log(fails[0].error) // "error"
 * ```
 *
 * @see {@link isDieReason} — narrow to `Die`
 * @see {@link isInterruptReason} — narrow to `Interrupt`
 *
 * @category guards
 * @since 4.0.0
 */
export const isFailReason = core.isFailReason;
/**
 * Narrows a `Reason` to `Die`.
 *
 * **When to use**
 *
 * Use as a predicate for `Array.filter` to pick out `Die` (defect) reasons when
 * iterating over `cause.reasons`.
 *
 * **Example** (filtering die reasons)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause = Cause.die("defect")
 * const dies = cause.reasons.filter(Cause.isDieReason)
 * console.log(dies[0].defect) // "defect"
 * ```
 *
 * @see {@link isFailReason} — narrow to `Fail`
 * @see {@link isInterruptReason} — narrow to `Interrupt`
 *
 * @category guards
 * @since 4.0.0
 */
export const isDieReason = core.isDieReason;
/**
 * Narrows a `Reason` to `Interrupt`.
 *
 * **When to use**
 *
 * Use as a predicate for `Array.filter` to pick out `Interrupt` reasons when
 * iterating over `cause.reasons`.
 *
 * **Example** (filtering interrupt reasons)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause = Cause.interrupt(123)
 * const interrupts = cause.reasons.filter(Cause.isInterruptReason)
 * console.log(interrupts[0].fiberId) // 123
 * ```
 *
 * @see {@link isFailReason} — narrow to `Fail`
 * @see {@link isDieReason} — narrow to `Die`
 *
 * @category guards
 * @since 4.0.0
 */
export const isInterruptReason = core.isInterruptReason;
/**
 * Creates a `Cause` from an array of `Reason` values.
 *
 * **When to use**
 *
 * Use when you already have individual reasons (e.g. from filtering or
 * transforming another cause's `reasons` array) and need to wrap them back
 * into a `Cause`.
 *
 * **Details**
 *
 * - Returns a new `Cause`.
 * - An empty array produces a cause equivalent to `empty`.
 *
 * **Gotchas**
 *
 * The `reasons` array is stored as provided. Treat the array as immutable
 * after passing it to this function.
 *
 * **Example** (building a cause from reasons)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const reasons = [
 *   Cause.makeFailReason("err1"),
 *   Cause.makeFailReason("err2")
 * ]
 * const cause = Cause.fromReasons(reasons)
 * console.log(cause.reasons.length) // 2
 * ```
 *
 * @see {@link combine} — merge two existing causes
 *
 * @category constructors
 * @since 4.0.0
 */
export const fromReasons = core.causeFromReasons;
/**
 * Represents a `Cause` with an empty `reasons` array.
 *
 * **When to use**
 *
 * Use to represent the absence of failure when constructing or combining
 * causes.
 *
 * **Details**
 *
 * Represents the absence of failure. Combining any cause with `empty` via
 * {@link combine} returns the original cause unchanged.
 *
 * **Example** (combining with the empty cause)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause = Cause.combine(Cause.empty, Cause.fail("boom"))
 *
 * console.log(cause.reasons.length) // 1
 * console.log(Cause.hasFails(cause)) // true
 * ```
 *
 * @see {@link combine} for merging causes where `empty` acts as the identity
 *
 * @category constructors
 * @since 2.0.0
 */
export const empty = core.causeEmpty;
/**
 * Creates a `Cause` containing a single `Fail` reason with the
 * given typed error.
 *
 * **When to use**
 *
 * Use to construct a cause from an expected typed error.
 *
 * **Example** (creating a fail cause)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause = Cause.fail("Something went wrong")
 * console.log(cause.reasons.length) // 1
 * console.log(Cause.isFailReason(cause.reasons[0])) // true
 * ```
 *
 * @see {@link die} — for untyped defects
 * @see {@link interrupt} — for fiber interruptions
 *
 * @category constructors
 * @since 2.0.0
 */
export const fail = core.causeFail;
/**
 * Creates a `Cause` containing a single `Die` reason with the
 * given defect.
 *
 * **When to use**
 *
 * Use to construct a cause from an untyped defect or unexpected thrown value.
 *
 * **Example** (creating a die cause)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause = Cause.die("Unexpected")
 * console.log(cause.reasons.length) // 1
 * console.log(Cause.isDieReason(cause.reasons[0])) // true
 * ```
 *
 * @see {@link fail} — for typed errors
 * @see {@link interrupt} — for fiber interruptions
 *
 * @category constructors
 * @since 2.0.0
 */
export const die = core.causeDie;
/**
 * Creates a `Cause` containing a single `Interrupt` reason,
 * optionally carrying the interrupting fiber's ID.
 *
 * **Example** (creating an interrupt cause)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause = Cause.interrupt(123)
 * console.log(cause.reasons.length) // 1
 * console.log(Cause.isInterruptReason(cause.reasons[0])) // true
 * ```
 *
 * @see {@link fail} — for typed errors
 * @see {@link die} — for untyped defects
 *
 * @category constructors
 * @since 2.0.0
 */
export const interrupt = effect.causeInterrupt;
/**
 * Creates a standalone `Fail` reason (not wrapped in a `Cause`).
 *
 * **When to use**
 *
 * Use when constructing a standalone typed failure reason for
 * {@link fromReasons} or direct comparison.
 *
 * **Example** (creating a Fail reason)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const reason = Cause.makeFailReason("error")
 * console.log(reason._tag) // "Fail"
 * console.log(reason.error) // "error"
 * ```
 *
 * @see {@link makeDieReason} — create a `Die` reason
 * @see {@link makeInterruptReason} — create an `Interrupt` reason
 *
 * @category constructors
 * @since 4.0.0
 */
export const makeFailReason = error => new core.Fail(error);
/**
 * Creates a standalone `Die` reason (not wrapped in a `Cause`).
 *
 * **When to use**
 *
 * Use when constructing a standalone defect reason for {@link fromReasons} or
 * direct comparison.
 *
 * **Example** (creating a Die reason)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const reason = Cause.makeDieReason("bug")
 * console.log(reason._tag) // "Die"
 * console.log(reason.defect) // "bug"
 * ```
 *
 * @see {@link makeFailReason} — create a `Fail` reason
 * @see {@link makeInterruptReason} — create an `Interrupt` reason
 *
 * @category constructors
 * @since 4.0.0
 */
export const makeDieReason = defect => new core.Die(defect);
/**
 * Creates a standalone `Interrupt` reason (not wrapped in a `Cause`),
 * optionally carrying the interrupting fiber's ID.
 *
 * **When to use**
 *
 * Use when constructing a standalone interrupt reason for {@link fromReasons}
 * or direct comparison.
 *
 * **Example** (creating an Interrupt reason)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const reason = Cause.makeInterruptReason(42)
 * console.log(reason._tag) // "Interrupt"
 * console.log(reason.fiberId) // 42
 * ```
 *
 * @see {@link makeFailReason} — create a `Fail` reason
 * @see {@link makeDieReason} — create a `Die` reason
 *
 * @category constructors
 * @since 4.0.0
 */
export const makeInterruptReason = effect.makeInterruptReason;
/**
 * Returns `true` if every reason in the cause is an `Interrupt` (and
 * there is at least one reason).
 *
 * **When to use**
 *
 * Use when you need to detect failures caused only by interruption.
 *
 * **Example** (checking interrupt-only causes)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.hasInterruptsOnly(Cause.interrupt(123))) // true
 * console.log(Cause.hasInterruptsOnly(Cause.fail("error")))  // false
 * console.log(Cause.hasInterruptsOnly(Cause.empty))          // false
 * ```
 *
 * @see {@link hasInterrupts} — `true` if the cause contains *any* interrupts
 *
 * @category predicates
 * @since 4.0.0
 */
export const hasInterruptsOnly = effect.hasInterruptsOnly;
/**
 * Transforms the typed error values inside a `Cause` using the
 * provided function. Only `Fail` reasons are affected; `Die` and `Interrupt`
 * reasons pass through unchanged.
 *
 * **When to use**
 *
 * Use to transform expected typed failures while preserving defects and
 * interruptions unchanged.
 *
 * **Details**
 *
 * If at least one `Fail` reason exists, this returns a new `Cause`
 * containing the mapped failures. If the cause has no `Fail` reasons, the
 * original cause is returned unchanged.
 *
 * **Example** (mapping errors to uppercase)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause = Cause.fail("error")
 * const mapped = Cause.map(cause, (e) => e.toUpperCase())
 * const reason = mapped.reasons[0]
 * if (Cause.isFailReason(reason)) {
 *   console.log(reason.error) // "ERROR"
 * }
 * ```
 *
 * @category mapping
 * @since 2.0.0
 */
export const map = effect.causeMap;
/**
 * Merges two causes into a single cause whose `reasons` array is the union
 * of both inputs (de-duplicated by value equality).
 *
 * **When to use**
 *
 * Use to merge independent causes into one structured failure value.
 *
 * **Details**
 *
 * - Combining with `empty` returns the other cause unchanged.
 * - If the result is structurally equal to `self`, `self` is returned
 *   (referential shortcut).
 *
 * **Example** (combining two causes)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause1 = Cause.fail("error1")
 * const cause2 = Cause.fail("error2")
 * const combined = Cause.combine(cause1, cause2)
 * console.log(combined.reasons.length) // 2
 * ```
 *
 * @see {@link fromReasons} — build a cause from an array of reasons
 * @see {@link empty} for the identity cause used when combining
 *
 * @category combining
 * @since 4.0.0
 */
export const combine = effect.causeCombine;
/**
 * Collapses a `Cause` into a single `unknown` value, picking the "most
 * important" failure in this order:
 *
 * **When to use**
 *
 * Use to collapse a structured cause to the single value that synchronous and
 * promise runners would throw.
 *
 * **Details**
 *
 * 1. First `Fail` error (the `E` value)
 * 2. First `Die` defect
 * 3. A generic `Error("All fibers interrupted without error")` for interrupt-only causes
 * 4. A generic `Error("Empty cause")` for `empty`
 *
 * This is the function used by `Effect.runPromise` and `Effect.runSync` to
 * decide what to throw.
 *
 * **Gotchas**
 *
 * This function is lossy. Use {@link prettyErrors} or iterate `cause.reasons`
 * when you need all failures.
 *
 * **Example** (squashing a cause)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.squash(Cause.fail("error")))    // "error"
 * console.log(Cause.squash(Cause.die("defect")))    // "defect"
 * ```
 *
 * @see {@link prettyErrors} — non-lossy conversion to `Array<Error>`
 * @see {@link pretty} — human-readable string rendering
 *
 * @category destructors
 * @since 2.0.0
 */
export const squash = effect.causeSquash;
/**
 * Returns `true` if the cause contains at least one `Fail` reason.
 *
 * **When to use**
 *
 * Use to check whether a cause includes typed failures before extracting,
 * mapping, or rendering them.
 *
 * **Example** (checking for typed errors)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.hasFails(Cause.fail("error"))) // true
 * console.log(Cause.hasFails(Cause.die("defect"))) // false
 * ```
 *
 * @see {@link hasDies} — check for defects
 * @see {@link hasInterrupts} — check for interruptions
 *
 * @category predicates
 * @since 4.0.0
 */
export const hasFails = effect.hasFails;
/**
 * Returns a `Result` whose success value is the first `Fail` reason in
 * the cause, including its annotations. If the cause has no `Fail` reason, the
 * failure value is the original cause narrowed to `Cause<never>`, because it
 * contains no typed error reasons.
 *
 * **When to use**
 *
 * Use when you need the full `Fail` reason from a `Cause`, including
 * annotations.
 *
 * **Example** (extracting the first Fail reason)
 *
 * ```ts
 * import { Cause, Result } from "effect"
 *
 * const result = Cause.findFail(Cause.fail("error"))
 * if (!Result.isFailure(result)) {
 *   console.log(result.success.error) // "error"
 * }
 * ```
 *
 * @see {@link findError} — extract the unwrapped `E` value
 * @see {@link findDie} — extract the first `Die` reason
 *
 * @category filtering
 * @since 4.0.0
 */
export const findFail = effect.findFail;
/**
 * Returns a `Result` whose success value is the first typed error value `E`
 * from a `Fail` reason in the cause. If the cause has no `Fail` reason,
 * the failure value is the original cause narrowed to `Cause<never>`, because
 * it contains no typed error reasons.
 *
 * **When to use**
 *
 * Use when you need the first typed error value from a `Cause` as a `Result`
 * that preserves the original cause when no match is found.
 *
 * **Example** (extracting the first error value)
 *
 * ```ts
 * import { Cause, Result } from "effect"
 *
 * const result = Cause.findError(Cause.fail("error"))
 * if (!Result.isFailure(result)) {
 *   console.log(result.success) // "error"
 * }
 * ```
 *
 * @see {@link findFail} — extract the full `Fail` reason
 * @see {@link findErrorOption} — `Option`-based variant
 *
 * @category filtering
 * @since 4.0.0
 */
export const findError = effect.findError;
/**
 * Returns the first typed error value `E` from a cause wrapped in
 * `Option.some`, or `Option.none` if no `Fail` reason exists.
 *
 * **When to use**
 *
 * Use when you need the first typed error value from a `Cause` as an `Option`,
 * discarding the original cause.
 *
 * **Example** (extracting an error as Option)
 *
 * ```ts
 * import { Cause, Option } from "effect"
 *
 * const some = Cause.findErrorOption(Cause.fail("error"))
 * console.log(Option.isSome(some)) // true
 *
 * const none = Cause.findErrorOption(Cause.die("defect"))
 * console.log(Option.isNone(none)) // true
 * ```
 *
 * @see {@link findError} — `Result`-based variant
 *
 * @category filtering
 * @since 4.0.0
 */
export const findErrorOption = effect.findErrorOption;
/**
 * Returns `true` if the cause contains at least one `Die` reason.
 *
 * **When to use**
 *
 * Use to check whether a cause includes defects before extracting or rendering
 * them.
 *
 * **Example** (checking for defects)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.hasDies(Cause.die("defect"))) // true
 * console.log(Cause.hasDies(Cause.fail("error"))) // false
 * ```
 *
 * @see {@link hasFails} — check for typed errors
 * @see {@link hasInterrupts} — check for interruptions
 *
 * @category predicates
 * @since 4.0.0
 */
export const hasDies = effect.hasDies;
/**
 * Returns a `Result` whose success value is the first `Die` reason in
 * the cause, including its annotations. If the cause has no `Die` reason, the
 * failure value is the original cause.
 *
 * **When to use**
 *
 * Use when you need the full `Die` reason from a `Cause`, including
 * annotations.
 *
 * **Example** (extracting the first Die reason)
 *
 * ```ts
 * import { Cause, Result } from "effect"
 *
 * const result = Cause.findDie(Cause.die("defect"))
 * if (!Result.isFailure(result)) {
 *   console.log(result.success.defect) // "defect"
 * }
 * ```
 *
 * @see {@link findDefect} — extract the unwrapped defect value
 * @see {@link findFail} — extract the first `Fail` reason
 *
 * @category filtering
 * @since 4.0.0
 */
export const findDie = effect.findDie;
/**
 * Returns a `Result` whose success value is the first defect value from a
 * `Die` reason in the cause. If the cause has no `Die` reason, the
 * failure value is the original cause.
 *
 * **When to use**
 *
 * Use when you need the first defect value from a `Cause` as a `Result`,
 * without the full `Die` reason.
 *
 * **Example** (extracting the first defect)
 *
 * ```ts
 * import { Cause, Result } from "effect"
 *
 * const result = Cause.findDefect(Cause.die("defect"))
 * if (!Result.isFailure(result)) {
 *   console.log(result.success) // "defect"
 * }
 * ```
 *
 * @see {@link findDie} — extract the full `Die` reason
 * @see {@link findError} — extract the first typed error
 *
 * @category filtering
 * @since 4.0.0
 */
export const findDefect = effect.findDefect;
/**
 * Returns `true` if the cause contains at least one `Interrupt` reason.
 *
 * **Example** (checking for interruptions)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.hasInterrupts(Cause.interrupt(123))) // true
 * console.log(Cause.hasInterrupts(Cause.fail("error")))  // false
 * ```
 *
 * @see {@link hasInterruptsOnly} — `true` only when *all* reasons are interrupts
 * @see {@link hasFails} — check for typed errors
 * @see {@link hasDies} — check for defects
 *
 * @category predicates
 * @since 4.0.0
 */
export const hasInterrupts = effect.hasInterrupts;
/**
 * Returns a `Result` whose success value is the first `Interrupt` reason
 * in the cause, including its annotations. If the cause has no `Interrupt`
 * reason, the failure value is the original cause.
 *
 * **When to use**
 *
 * Use when you need the first `Interrupt` reason from a `Cause`, including the
 * fiber ID and annotations.
 *
 * **Example** (extracting the first interrupt)
 *
 * ```ts
 * import { Cause, Result } from "effect"
 *
 * const result = Cause.findInterrupt(Cause.interrupt(42))
 * if (!Result.isFailure(result)) {
 *   console.log(result.success.fiberId) // 42
 * }
 * ```
 *
 * @see {@link interruptors} — collect all interrupting fiber IDs as a `Set`
 *
 * @category filtering
 * @since 4.0.0
 */
export const findInterrupt = effect.findInterrupt;
/**
 * Collects the defined fiber IDs from all `Interrupt` reasons in the
 * cause into a `ReadonlySet`. Interrupt reasons without a `fiberId` are
 * ignored. Returns an empty set when the cause has no interrupting fiber IDs.
 *
 * **When to use**
 *
 * Use when you need interrupting fiber IDs as a set, with absence represented
 * as an empty set.
 *
 * **Example** (collecting interruptors)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause = Cause.combine(
 *   Cause.interrupt(1),
 *   Cause.interrupt(2)
 * )
 *
 * console.log(Cause.interruptors(cause)) // Set(2) { 1, 2 }
 * ```
 *
 * @see {@link filterInterruptors} — `Result`-based variant
 *
 * @category accessors
 * @since 2.0.0
 */
export const interruptors = effect.causeInterruptors;
/**
 * Returns a `Result` whose success value is the set of defined fiber IDs from
 * the cause's `Interrupt` reasons. If the cause has no `Interrupt`
 * reason, the failure value is the original cause.
 *
 * **When to use**
 *
 * Use when you need absence of interrupt reasons to fail with the original
 * cause.
 *
 * **Gotchas**
 *
 * Interrupt reasons without a `fiberId` still count as interrupts, so the
 * function succeeds with an empty `Set` when every interrupt reason has an
 * undefined fiber ID.
 *
 * **Example** (extracting interruptors with Result)
 *
 * ```ts
 * import { Cause, Result } from "effect"
 *
 * const result = Cause.filterInterruptors(Cause.interrupt(1))
 * if (!Result.isFailure(result)) {
 *   console.log(result.success) // Set(1) { 1 }
 * }
 * ```
 *
 * @see {@link interruptors} — always-succeeding variant
 *
 * @category filtering
 * @since 4.0.0
 */
export const filterInterruptors = effect.causeFilterInterruptors;
/**
 * Converts a `Cause` into an `Array<Error>` suitable for logging or
 * rethrowing.
 *
 * **When to use**
 *
 * Use to convert every renderable failure in a cause into individual `Error`
 * values before logging or rethrowing.
 *
 * **Details**
 *
 * Each `Fail` and `Die` reason is converted into a standard
 * `Error`:
 *
 * - **Objects / Error instances** — `message`, `name`, `stack`, and `cause`
 *   are preserved. Extra enumerable properties are copied. Stack traces are
 *   cleaned up and enriched with span annotations when available.
 * - **Strings** — used directly as the `Error` message.
 * - **Other primitives** (`null`, `undefined`, numbers, …) — wrapped in an
 *   `Error` with message `"Unknown error: <value>"`.
 *
 * `Interrupt` reasons are collected separately. If the cause contains
 * **only** interrupts (no `Fail` or `Die`), a single `InterruptError` is
 * returned whose `cause` lists the interrupting fiber IDs.
 *
 * An empty cause returns an empty array.
 *
 * **Example** (converting a cause to errors)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const cause = Cause.fail(new Error("boom"))
 * const errors = Cause.prettyErrors(cause)
 * console.log(errors[0].message) // "boom"
 * ```
 *
 * @see {@link pretty} — renders the cause as a single string
 * @see {@link squash} — lossy collapse to a single thrown value
 *
 * @category rendering
 * @since 3.2.0
 */
export const prettyErrors = effect.causePrettyErrors;
/**
 * Formats a `Cause` as a human-readable string for logging or debugging.
 *
 * **When to use**
 *
 * Use to render a whole cause as one human-readable string for logs or
 * diagnostics.
 *
 * **Details**
 *
 * Delegates to {@link prettyErrors} to convert each reason to an `Error`,
 * then joins their stack traces with newlines. Nested `Error.cause` chains
 * are rendered inline with indentation:
 *
 * ```text
 * ErrorName: message
 *     at ...
 *     at ... {
 *   [cause]: NestedError: message
 *       at ...
 * }
 * ```
 *
 * Span annotations are appended to the relevant stack frames when available.
 *
 * **Gotchas**
 *
 * Rendering an empty cause produces an empty string because there are no
 * errors to render.
 *
 * **Example** (rendering a cause)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const rendered = Cause.pretty(Cause.fail("something went wrong"))
 * console.log(rendered.includes("something went wrong")) // true
 * ```
 *
 * @see {@link prettyErrors} — get the individual `Error` instances
 *
 * @category rendering
 * @since 2.0.0
 */
export const pretty = effect.causePretty;
/**
 * Checks whether an arbitrary value is a `NoSuchElementError`.
 *
 * **Example** (runtime type check)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.isNoSuchElementError(new Cause.NoSuchElementError())) // true
 * console.log(Cause.isNoSuchElementError("nope")) // false
 * ```
 *
 * @category guards
 * @since 4.0.0
 */
export const isNoSuchElementError = core.isNoSuchElementError;
/**
 * Unique brand for `NoSuchElementError`.
 *
 * @category type IDs
 * @since 4.0.0
 */
export const NoSuchElementErrorTypeId = core.NoSuchElementErrorTypeId;
/**
 * Constructs a `NoSuchElementError` with an optional message.
 *
 * **When to use**
 *
 * Use to create the error value for APIs that intentionally fail when an
 * expected element is absent.
 *
 * **Example** (creating a NoSuchElementError)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const error = new Cause.NoSuchElementError("Element not found")
 * console.log(error.message) // "Element not found"
 * ```
 *
 * @see {@link isNoSuchElementError} for checking unknown values
 *
 * @category constructors
 * @since 4.0.0
 */
export const NoSuchElementError = core.NoSuchElementError;
/**
 * Checks whether an arbitrary value is a `Done` signal.
 *
 * **Example** (runtime type check)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.isDone(Cause.Done())) // true
 * console.log(Cause.isDone("not done"))   // false
 * ```
 *
 * @category guards
 * @since 4.0.0
 */
export const isDone = core.isDone;
/**
 * Unique brand for `Done` values.
 *
 * @category type IDs
 * @since 4.0.0
 */
export const DoneTypeId = core.DoneTypeId;
/**
 * Creates a `Done` signal with an optional value.
 *
 * **When to use**
 *
 * Use when you need to construct a low-level pull completion signal directly.
 *
 * @see {@link done} — create a failing `Effect` with `Done`
 *
 * @category constructors
 * @since 4.0.0
 */
export const Done = core.Done;
/**
 * Creates an Effect that fails with a `Done` error. Shorthand for
 * `Effect.fail(Cause.Done(value))`.
 *
 * **When to use**
 *
 * Use when you model stream or queue completion through the error channel.
 *
 * **Example** (failing with Done)
 *
 * ```ts
 * import { Cause, Effect } from "effect"
 *
 * const program = Cause.done("finished")
 *
 * Effect.runPromiseExit(program).then((exit) => {
 *   console.log(exit._tag) // "Failure"
 * })
 * ```
 *
 * @see {@link Done} — create the signal value without an Effect
 *
 * @category constructors
 * @since 4.0.0
 */
export const done = core.done;
/**
 * Unique brand for `TimeoutError`.
 *
 * @category type IDs
 * @since 4.0.0
 */
export const TimeoutErrorTypeId = effect.TimeoutErrorTypeId;
/**
 * Checks whether an arbitrary value is a `TimeoutError`.
 *
 * **Example** (runtime type check)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.isTimeoutError(new Cause.TimeoutError())) // true
 * console.log(Cause.isTimeoutError("nope")) // false
 * ```
 *
 * @category guards
 * @since 4.0.0
 */
export const isTimeoutError = effect.isTimeoutError;
/**
 * Constructs a `TimeoutError` with an optional message.
 *
 * **Example** (creating a TimeoutError)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const error = new Cause.TimeoutError("Operation timed out")
 * console.log(error.message) // "Operation timed out"
 * ```
 *
 * @category constructors
 * @since 4.0.0
 */
export const TimeoutError = effect.TimeoutError;
/**
 * Unique brand for `IllegalArgumentError`.
 *
 * @category type IDs
 * @since 4.0.0
 */
export const IllegalArgumentErrorTypeId = effect.IllegalArgumentErrorTypeId;
/**
 * Checks whether an arbitrary value is an `IllegalArgumentError`.
 *
 * **Example** (runtime type check)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.isIllegalArgumentError(new Cause.IllegalArgumentError())) // true
 * console.log(Cause.isIllegalArgumentError("nope")) // false
 * ```
 *
 * @category guards
 * @since 4.0.0
 */
export const isIllegalArgumentError = effect.isIllegalArgumentError;
/**
 * Constructs an `IllegalArgumentError` with an optional message.
 *
 * **Example** (creating an IllegalArgumentError)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const error = new Cause.IllegalArgumentError("Invalid argument")
 * console.log(error.message) // "Invalid argument"
 * ```
 *
 * @category constructors
 * @since 4.0.0
 */
export const IllegalArgumentError = effect.IllegalArgumentError;
/**
 * Checks whether an arbitrary value is an `ExceededCapacityError`.
 *
 * **Example** (runtime type check)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.isExceededCapacityError(new Cause.ExceededCapacityError())) // true
 * console.log(Cause.isExceededCapacityError("nope")) // false
 * ```
 *
 * @category guards
 * @since 4.0.0
 */
export const isExceededCapacityError = effect.isExceededCapacityError;
/**
 * Unique brand for `ExceededCapacityError`.
 *
 * @category type IDs
 * @since 4.0.0
 */
export const ExceededCapacityErrorTypeId = effect.ExceededCapacityErrorTypeId;
/**
 * Constructs an `ExceededCapacityError` with an optional message.
 *
 * **When to use**
 *
 * Use to create the error value for bounded-resource capacity failures.
 *
 * **Example** (creating an ExceededCapacityError)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const error = new Cause.ExceededCapacityError("Queue full")
 * console.log(error.message) // "Queue full"
 * ```
 *
 * @see {@link isExceededCapacityError} for checking unknown values
 *
 * @category constructors
 * @since 4.0.0
 */
export const ExceededCapacityError = effect.ExceededCapacityError;
/**
 * Unique brand present on `AsyncFiberError` values and used by
 * `isAsyncFiberError` for runtime checks.
 *
 * @category type IDs
 * @since 4.0.0
 */
export const AsyncFiberErrorTypeId = effect.AsyncFiberErrorTypeId;
/**
 * Checks whether an arbitrary value is an `AsyncFiberError`.
 *
 * **Example** (runtime type check)
 *
 * ```ts
 * import { Cause } from "effect"
 * import type { Fiber } from "effect"
 *
 * declare const fiber: Fiber.Fiber<unknown, unknown>
 *
 * const error = new Cause.AsyncFiberError(fiber)
 * console.log(Cause.isAsyncFiberError(error)) // true
 * console.log(Cause.isAsyncFiberError("nope")) // false
 * ```
 *
 * @category guards
 * @since 4.0.0
 */
export const isAsyncFiberError = effect.isAsyncFiberError;
/**
 * Constructs an `AsyncFiberError` for a fiber that could not be resolved
 * synchronously.
 *
 * **When to use**
 *
 * Use to create the error value for a fiber that could not be completed by a
 * synchronous runner.
 *
 * **Example** (creating an AsyncFiberError)
 *
 * ```ts
 * import { Cause } from "effect"
 * import type { Fiber } from "effect"
 *
 * declare const fiber: Fiber.Fiber<unknown, unknown>
 *
 * const error = new Cause.AsyncFiberError(fiber)
 * console.log(error.message) // "An asynchronous Effect was executed with Effect.runSync"
 * ```
 *
 * @see {@link isAsyncFiberError} for checking unknown values
 *
 * @category constructors
 * @since 4.0.0
 */
export const AsyncFiberError = effect.AsyncFiberError;
/**
 * Unique brand for `UnknownError`.
 *
 * @category type IDs
 * @since 4.0.0
 */
export const UnknownErrorTypeId = effect.UnknownErrorTypeId;
/**
 * Checks whether an arbitrary value is an `UnknownError`.
 *
 * **Example** (runtime type check)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * console.log(Cause.isUnknownError(new Cause.UnknownError("x"))) // true
 * console.log(Cause.isUnknownError("nope")) // false
 * ```
 *
 * @category guards
 * @since 4.0.0
 */
export const isUnknownError = effect.isUnknownError;
/**
 * Constructs an `UnknownError`. The first argument is the original
 * cause (stored in `Error.cause`); the second is an optional human-readable
 * message.
 *
 * **Example** (creating an UnknownError)
 *
 * ```ts
 * import { Cause } from "effect"
 *
 * const error = new Cause.UnknownError({ raw: true }, "Unexpected value")
 * console.log(error.message) // "Unexpected value"
 * ```
 *
 * @category constructors
 * @since 4.0.0
 */
export const UnknownError = effect.UnknownError;
/**
 * Attaches metadata to every reason in a `Cause`.
 *
 * **When to use**
 *
 * Use to attach diagnostic metadata to every reason in a cause.
 *
 * **Details**
 *
 * Annotations are stored as a `Context` on each reason and can be
 * retrieved later via {@link reasonAnnotations} or {@link annotations}.
 * The runtime uses this to attach stack traces and spans.
 *
 * - Returns a new `Cause`.
 * - By default, existing keys are preserved. Pass `{ overwrite: true }` to
 *   replace them.
 *
 * **Example** (annotating a cause)
 *
 * ```ts
 * import { Cause, Context } from "effect"
 *
 * class RequestId extends Context.Service<RequestId, string>()("RequestId") {}
 *
 * const cause = Cause.fail("error")
 * const annotated = Cause.annotate(cause, Context.make(RequestId, "req-1"))
 *
 * console.log(Context.getOrUndefined(Cause.annotations(annotated), RequestId)) // "req-1"
 * ```
 *
 * @see {@link annotations} for reading merged annotations from a cause
 * @see {@link reasonAnnotations} for reading annotations from a single reason
 *
 * @category annotations
 * @since 4.0.0
 */
export const annotate = core.causeAnnotate;
/**
 * Reads the annotations from a single `Reason` as a `Context`.
 *
 * **When to use**
 *
 * Use when you need tracing metadata (e.g. `StackTrace`) from
 * a specific reason rather than the whole cause.
 *
 * **Example** (reading reason annotations)
 *
 * ```ts
 * import { Cause, Context } from "effect"
 *
 * class RequestId extends Context.Service<RequestId, string>()("RequestId") {}
 *
 * const reason = Cause.makeFailReason("error")
 * const annotated = reason.annotate(Context.make(RequestId, "req-1"))
 *
 * console.log(Context.getOrUndefined(Cause.reasonAnnotations(annotated), RequestId)) // "req-1"
 * ```
 *
 * @see {@link annotations} — merged annotations from all reasons in a cause
 *
 * @category annotations
 * @since 4.0.0
 */
export const reasonAnnotations = effect.reasonAnnotations;
/**
 * Reads the merged annotations from all reasons in a `Cause`.
 *
 * **When to use**
 *
 * Use to read diagnostic metadata merged from the whole cause.
 *
 * **Gotchas**
 *
 * When multiple reasons contain the same annotation key, the value from the
 * later reason wins.
 *
 * **Example** (reading merged annotations)
 *
 * ```ts
 * import { Cause, Context } from "effect"
 *
 * class RequestId extends Context.Service<RequestId, string>()("RequestId") {}
 *
 * const cause = Cause.annotate(
 *   Cause.fail("error"),
 *   Context.make(RequestId, "req-1")
 * )
 *
 * console.log(Context.getOrUndefined(Cause.annotations(cause), RequestId)) // "req-1"
 * ```
 *
 * @see {@link reasonAnnotations} — annotations from a single reason
 *
 * @category annotations
 * @since 4.0.0
 */
export const annotations = effect.causeAnnotations;
/**
 * Context annotation used to store the stack frame captured at the point of failure.
 *
 * **When to use**
 *
 * Use to read the failure stack-frame annotation from a `Reason` when building
 * diagnostics, logging, or custom cause renderers.
 *
 * **Details**
 *
 * The runtime annotates every reason with this when a stack frame is
 * available. Retrieve it via
 * `Context.get(Cause.reasonAnnotations(reason), Cause.StackTrace)`.
 *
 * @see {@link reasonAnnotations} for reading annotations from a single reason
 * @see {@link annotations} for reading merged annotations from a cause
 * @see {@link InterruptorStackTrace} for the interrupt-specific stack-frame annotation
 *
 * @category annotations
 * @since 4.0.0
 */
export class StackTrace extends /*#__PURE__*/Context.Service()("effect/Cause/StackTrace") {}
/**
 * Context annotation used to store the stack frame captured at the point of
 * interruption.
 *
 * **When to use**
 *
 * Use when you need the stack-frame annotation used by interrupt-only cause
 * rendering.
 *
 * **Details**
 *
 * Similar to `StackTrace` but specific to `Interrupt` reasons.
 *
 * @see {@link StackTrace} for stack frames attached to failures
 * @see {@link reasonAnnotations} for reading annotations from a single reason
 * @see {@link annotate} for attaching annotations to a cause
 *
 * @category annotations
 * @since 4.0.0
 */
export class InterruptorStackTrace extends /*#__PURE__*/Context.Service()("effect/Cause/InterruptorStackTrace") {}
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