Swift 2.0 Learning Note (Day 7) Several overloaded forms of the print function in--swift 2.0

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Swift 2.0 in the Print function has 4 kinds of overloaded forms:

• Print (_:). Output a variable or constant to the console, and wrap the line.

• print (_:_:). Outputs a variable or constant into a stream of the specified type, and wraps the line.

• print (_:appendnewline:) Output variable or constant to the console, appendnewline true represents a newline, false means no line break.

• print (_:_:appendnewline:) . An output variable or constant in a stream of a specified type, theappendnewline parameter is a Boolean value,true indicates a newline, andfalse means no line break.

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Swift 2.0 Learning Note (Day 7) Several overloaded forms of the print function in--swift 2.0