change_default_argument_to_magic.swift
#if BEFORE
public func changeDefaultArgumentToMagic(name: String = "hello") {}
#else
public func changeDefaultArgumentToMagic(name: String = #file) {}
#endif
#if BEFORE
public func changeDefaultArgumentToMagic(name: String = "hello") {}
#else
public func changeDefaultArgumentToMagic(name: String = #file) {}
#endif