iOS 개발자 iOS 개발자

# Parameters names All parameters to all functions have an internal name and an external name The internal name is the name of the local variable you use inside the method The external name is what callers use when they call the method 외부이름을 사용하지 않으려면 언더바(_)를 넣어줄 수도 있음. You can put _ if you don’t want callers to use an external name at all for a given parameter This is the default for the first ..