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[468.14 --> 468.86] And, |
[468.98 --> 469.74] I'm looking at you, |
[469.86 --> 470.16] Java. |
[470.88 --> 471.12] And, |
[471.18 --> 471.96] here is my case. |
[472.02 --> 472.50] Listen up. |
[473.42 --> 473.90] Java, |
[474.48 --> 474.72] yes, |
[474.82 --> 475.00] sure, |
[475.06 --> 475.86] it has inheritance. |
[476.52 --> 476.90] But, |
[477.34 --> 479.00] you can only inherit once. |
[479.48 --> 479.68] So, |
[479.76 --> 480.52] that means that |
[480.52 --> 481.96] if class A, |
[482.08 --> 483.08] you want to express |
[483.08 --> 483.98] the idea that |
[483.98 --> 484.70] class A, |
[484.86 --> 486.18] or an object of type A, |
[486.26 --> 488.42] is also an object of type B, |
[488.54 --> 489.38] or class B, |
[489.98 --> 491.34] you can only do that once. |
[491.40 --> 491.48] And, |
[491.56 --> 493.06] if you have a case C, |
[493.82 --> 495.32] that A is also C, |
[495.78 --> 497.48] you cannot express that in Java. |
[497.48 --> 498.16] Now, |
[498.24 --> 499.44] I came from C++, |
[499.76 --> 500.54] so I kind of, |
[500.58 --> 500.90] you know, |
[500.98 --> 502.30] had this multiple inheritance. |
[502.74 --> 504.22] I used to be very expressive |
[504.22 --> 505.10] with inheritance. |
[505.64 --> 505.72] And, |
[505.82 --> 506.60] when I look at Java, |
[506.78 --> 507.62] when I look at Ruby, |
[508.28 --> 508.74] Pythonistas, |
[508.92 --> 509.28] I'm sorry, |
[509.42 --> 510.96] I'm not familiar enough |
[510.96 --> 511.52] with your language |
[511.52 --> 512.00] to know, |
[512.26 --> 513.00] to make a case. |
[513.60 --> 513.82] But, |
[513.92 --> 514.70] when I look at Java, |
[514.80 --> 515.58] when I look at Ruby, |
[516.14 --> 517.50] I see that |
[517.50 --> 519.06] you can't really express |
[519.06 --> 520.52] A is C, |
[520.62 --> 521.66] if you already express |
[521.66 --> 522.62] that A is B, |
[523.12 --> 524.60] unless you use interfaces |
[524.60 --> 525.54] or generics. |
[525.54 --> 526.58] Now, |
[526.88 --> 529.02] interfaces are, |
[529.46 --> 531.58] the Go has this dramatic effect |
[531.58 --> 532.96] that interfaces are implicit. |
[533.74 --> 534.78] In Java, |
[535.52 --> 537.26] a class has to be aware, |
[537.54 --> 538.50] to be able to instantiate |
[539.18 --> 541.52] A as type interface I, |
[542.36 --> 543.92] A has to be aware of I |
[543.92 --> 545.02] at the time of writing. |
[545.58 --> 546.06] So, |
[546.16 --> 548.46] that means that to plug A as I, |
[548.68 --> 549.96] you have to do something. |
[549.96 --> 551.86] It could be generics, |
[552.24 --> 553.26] it could be |
[553.26 --> 555.70] some sort of a proxy class |
[555.70 --> 556.96] that we'll implement |
[556.96 --> 558.30] and derive from. |
[559.08 --> 559.34] So, |
[559.40 --> 560.20] there are some ways. |
[560.76 --> 560.88] And, |
[560.96 --> 561.32] in Ruby, |
[561.42 --> 562.44] we also see |
[562.44 --> 563.64] how modules |
[563.64 --> 565.04] are kind of replacing |
[565.04 --> 565.94] generics |
[565.94 --> 567.50] and what people used to do |
[567.50 --> 568.72] in other languages |
[568.72 --> 570.18] to sort of be able |
[570.18 --> 571.40] to be very expressive |
[571.40 --> 572.24] that something |
[572.24 --> 573.56] is also something else. |
[574.38 --> 574.70] So, |
[575.14 --> 576.32] the answer is that |
[576.32 --> 577.16] I think that Go |
[577.16 --> 579.74] is object-oriented. |
[580.46 --> 581.96] I'm leaning towards yes. |
[582.30 --> 583.38] I do see why people |
[583.38 --> 584.28] don't think so. |
[585.18 --> 585.66] But, |
[585.74 --> 585.88] yeah, |
[585.96 --> 586.86] that's where I am |
[586.86 --> 588.08] as a person |
[588.08 --> 590.28] who works with Go. |
[590.54 --> 591.06] Can we go through |
[591.06 --> 591.68] some of the reasons |
[591.68 --> 592.80] people said it wasn't? |
[592.90 --> 593.04] Like, |
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