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Implements #reverse_each in Literal::Array #299

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Implements #reverse_each in Literal::Array #299

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7f224b5
Implements .reverse_each
hslzr Mar 23, 2025
d3965ed
Merge branch 'main' into 194-reverse-each
hslzr May 26, 2025
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5 changes: 5 additions & 0 deletions lib/literal/array.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -499,6 +499,11 @@ def reverse(...)

alias_method :initialize_copy, :replace

def reverse_each(...)
return_value = @__value__.reverse_each(...)
(return_value.class == Enumerator) ? return_value : self
end

def reverse!
@__value__.reverse!
self
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18 changes: 18 additions & 0 deletions test/array.test.rb
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Expand Up @@ -511,6 +511,24 @@
end
end

test "#reverse_each iterates through the array in reverse" do
array = Literal::Array(Integer).new(1, 2, 3)
results = []

return_value = array.reverse_each { |i| results << i }

assert_same return_value, array
assert_equal results, [3, 2, 1]
end

test "#reverse_each returns an enumerator if no block is given" do
array = Literal::Array(Integer).new(1, 2, 3)

return_value = array.reverse_each

assert_equal return_value.class, Enumerator
end

test "#values_at returns the values at the given indexes" do
array = Literal::Array(Integer).new(1, 2, 3)

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