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learnmoderncpp-tutorial/headers/03-ifconstexpr.cpp at main · cpp-tutor/learnmoderncpp-tutorial · GitHub
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//
03-ifconstexpr.cpp : demonstrate compile-time if
#
include
<
iostream
>
using
namespace
std
;
int
main
() {
constexpr
auto
int_size =
sizeof
(
int
);
if
constexpr
(int_size ==
4
) {
cout <<
"
32 bit ints
\n
"
;
}
else
if
constexpr
(int_size ==
8
) {
cout <<
"
64 bit ints
\n
"
;
}
else
{
cout <<
"
Man, you have weird ints!
\n
"
;
}
}
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