Bruno Rocha • 3/14/2024

Using @_silgen_name to forward declare functions in Swift and improve build times

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This technical article details how Swift's undocumented @_silgen_name attribute can be used for forward function declarations, similar to Objective-C, to potentially improve build times. It explains symbol mangling, demonstrates usage, and strongly cautions that this is an unstable internal compiler feature with significant risks if misused.

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#optimization #compiler #Swift
Using @_silgen_name to forward declare functions in Swift and improve build times

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