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Boolean value.
Syntax
#include <prtypes.h>
typedef enum { PR_FALSE = 0, PR_TRUE = 1 } PRBool;
Description
Wherever possible, do not use PRBool in Mozilla C++ code. Use standard C++ bool instead.
Otherwise, use PRBool for variables and parameter types. Use PR_FALSE and PR_TRUE for clarity of target type in assignments and actual arguments. Use if (bool), while (!bool), (bool) ? x : y, and so on to test Boolean values, just as you would C int-valued conditions.