Examples ☰

• Standard library
• String + Symbol
• Nilable array access
• Dead code
• Method signature
• Local inference
• Pinning
• Interface
• Union
• Intersection
• Noreturn
• Singleton class
• Generic class
• Generic method
• Escape hatch
• Proc
• Void
• Tuple and Shape

class A extend T::Helpers sig(foo: Integer).returns(String) def bar(foo) foo.to_s end end def main A.new.barr(91) A.new.bar("91") end

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