Seth Vargo • 12/29/2012

Ruby Local Method map Shortcut

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This technical article explains Ruby's `&:method` syntax for simplifying `map` operations, detailing its limitations such as inability to call local methods or pass arguments. It then demonstrates a proof-of-concept hack to extend the Array#map method to accept a receiver and arguments, enabling calls like `arr.map(self, &:local_method)`.

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Ruby Local Method map Shortcut

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