Hi, typesaft_cb_cast() is defined in typesaft_cb.h as:
#define typesafe_cb_cast(desttype, oktype, expr) \
__builtin_choose_expr( \
__builtin_types_compatible_p(__typeof__(0?(expr):(expr)), \
oktype),
\
(desttype)(expr), (expr))
what is the point of that "0?(expr):(expr)" ?
Yubin
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