December 2013
Beginner
576 pages
16h 4m
English
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Conversion Rules
The Objective-C compiler adheres to very strict rules when it comes to evaluating expressions that consist of different basic data types.
The following summarizes the order in which conversions take place in the evaluation of two operands in an expression:
1. If either operand is of type long double, the other is converted to long double, and that is the type of the result.
2. If either operand is of type double, the other is converted to double, and that is the type of the result.
3. If either operand is of type float, the other is converted to float, and that is the type of the result.
4. If either operand is of type _Bool, char, short int, or bitfield, or of an enumerated data type, it is converted to int.
5. If either operand ...
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