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Raise for abstract class methods #44

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Merged
amomchilov merged 1 commit into from
Aug 21, 2026
+17 −1
Merged

Raise for abstract class methods #44

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4 changes: 3 additions & 1 deletion lib/type_toolkit/dsl.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,9 @@ def abstract(method_name)
# # is_singleton_method = true, owner is `Foo.singleton_class`
# abstract def self.foo; end
# end
method_owner = is_singleton_method ? singleton_class : self #: as Module[top] & HasAbstractMethods
method_owner = is_singleton_method ? raise(NotImplementedError, <<~MSG) : self
Abstract singleton methods are not supported yet.
MSG

# Register the fact that this method is meant to be abstract,
# used by APIs like `abstract_method_declared?` and `Method#abstract?`
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14 changes: 14 additions & 0 deletions spec/interface_spec.rb
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Expand Up @@ -401,5 +401,19 @@ def something_else; end
end
end
end

describe "Abstract class methods" do
it "are not yet supported" do
test_context = self

Module.new do
interface!

test_context.assert_raises(NotImplementedError) do
abstract def self.abstract_class_method; end # rubocop:disable Style/ClassMethodsDefinitions
end
end
end
end
end
end
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