core: Array#include? and Enumerable#include? should take non-Elem types #2273
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For example, `Array[Integer]` can take other number types validly: ``` > [1, 2, 3].include? 2.0 => true > [1, 2, 3].include? Complex(2) => true > [1, 2, 3].include? Rational(2) => true ``` refs: soutaro/steep#1482
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In reality, it seems that the irb(main):005> TracePoint.new(:a_call) { |tp| p tp }.enable { [1, 2, 3].include? 2.0 }
#<TracePoint:b_call (irb):5>
#<TracePoint:c_call 'include?' (irb):5>
#<TracePoint:c_call '==' (irb):5>
#<TracePoint:c_call '==' (irb):5>
=> trueHowever, since |
tk0miya
commented
Feb 12, 2025
| @@ -2182,7 +2182,7 @@ class Array[unchecked out Elem] < Object | |||
| # | |||
| # Related: see [Methods for Querying](rdoc-ref:Array@Methods+for+Querying). | |||
| # | |||
| def include?: (Elem object) -> bool | |||
| def include?: (untyped object) -> bool | |||
There was a problem hiding this comment.
Initially, I thought to allow taking nil value. Therefore I changed this type as follows once:
Suggested change
| def include?: (untyped object) -> bool | |
| def include?: (Elem? object) -> bool | |
| | (untyped object) -> false |
But I noticed it does not help the numbers' case. Therefore, I used untyped here finally.
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For example,
Array[Integer]can take other number types validly:refs: soutaro/steep#1482