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Support unnamed restarg #1112

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Support unnamed restarg #1112

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2 changes: 1 addition & 1 deletion lib/steep/type_construction.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ def inspect
s + ">"
end

SPECIAL_LVAR_NAMES = Set[:_, :__any__, :__skip__]
SPECIAL_LVAR_NAMES = Set[nil, :_, :__any__, :__skip__]

include ModuleHelper

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31 changes: 31 additions & 0 deletions test/type_check_test.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -1787,6 +1787,37 @@ def bar
)
end

def test_unnamed_restarg
run_type_check_test(
signatures: {
"a.rbs" => <<~RBS
class Foo
def foo: (*untyped, **untyped) -> void

def bar: { (*untyped, **untyped) -> void } -> void
end
RBS
},
code: {
"a.rb" => <<~RUBY
class Foo
def foo(*, **)
bar { |*, **| }
end

def bar
end
end
RUBY
},
expectations: <<~YAML
---
- file: a.rb
diagnostics: []
YAML
)
end

def test_rescue_assignment
run_type_check_test(
signatures: {
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