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Update Enumerable#to_h type #462

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merged 1 commit into from
Nov 8, 2020
Merged

Update Enumerable#to_h type #462

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1 change: 1 addition & 0 deletions core/enumerable.rbs
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Original file line number Diff line number Diff line change
Expand Up @@ -306,6 +306,7 @@ module Enumerable[unchecked out Elem, out Return]: _Each[Elem, Return]
# #=> {1=>1, 2=>4, 3=>9, 4=>16, 5=>25}
# ```
def to_h: () -> ::Hash[untyped, untyped]
| [T, U] () { (Elem) -> [T, U] } -> ::Hash[T, U]

def each_slice: (Integer n) { (::Array[Elem]) -> untyped } -> NilClass
| (Integer n) -> ::Enumerator[::Array[Elem], Return]
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14 changes: 14 additions & 0 deletions test/stdlib/Enumerable_test.rb
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Expand Up @@ -58,6 +58,20 @@ def test_tally
end
end

def test_to_h
enumerable = Class.new {
def each
yield [1, 2]
yield [2, 3]
yield [3, 4]
end

include Enumerable
}.new
enumerable.to_h
enumerable.to_h { |obj| obj }
end

def test_each_entry
enumerable.each_entry
enumerable.each_entry { |x| x }
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