The comma operator

a) is a list of expressions separated by commas
b) according to the ANSI C++ Standard, is supposed to be evaluated left to right
c) not all compilers evaluate left to right, i.e., do not follow the C++ Standard, hence left to right evaluation should not be depended upon.
d) has value equal to the value of the first expression in the list.
e) all of the above


a) is a list of expressions separated by commas. b) according to the ANSI C++ Standard, is supposed to be evaluated left to right, and c) not all compilers evaluate left to right, i.e., do not follow the C++ Standard, hence left to right evaluation should not be depended upon.

d) is wrong, the correct statement is: A comma expression has value equal to the value of the last expression in the list.

Computer Science & Information Technology

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