22
General utilities library
[utilities]
22.2
Utility components
[utility]
22.2.5
Function template
as_
const
[utility.as.const]
🔗
template
<
class
T
>
constexpr
add_const_t
<
T
>
&
as_const
(
T
&
t
)
noexcept
;
1
#
Returns
:
t
.