Support &method(:name) call for block_pass #1276
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Pass `&method(:name)` to the block argument on method call is usually used, and well-known idiom in Ruby. Therefore it is valuable to support the idiom on type check. This gives a special treatment to it to support type checking.
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tk0miya
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Oct 9, 2024
| if hint.is_a?(AST::Types::Proc) && value_node.type == :send && value_node.children[1] == :method && type.is_a?(AST::Types::Name::Instance) && type.name.to_s == '::Method' | ||
| method_name = value_node.children[2].children[0] | ||
| if method = calculate_interface(AST::Types::Self.instance, private: true)&.methods&.[](method_name) | ||
| # TODO: select appropriate method type from `method.method_types`. |
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I'm unsure how to choose the appropriate method type from method.method_types. So I use the first one.
tk0miya
commented
Oct 9, 2024
| assert_typing_error typing, size: 1 do |errors| | ||
| assert_any!(errors) do |error| | ||
| assert_instance_of Diagnostic::Ruby::BlockTypeMismatch, error | ||
| assert /^\^\(::Integer\) -> X\(\d+\)$/ =~ error.expected.to_s |
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I use regexp to check the BlockTypeMismatch#expected. Is there a better way?
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Pass
&method(:name)to the block argument on method call is usually used, and well-known idiom in Ruby. Therefore it is valuable to support the idiom on type check.This gives a special treatment to it to support type checking.