22
General utilities library
[utilities]
22.14
Formatting
[format]
22.14.6
Formatter
[format.formatter]
22.14.6.2
Formatter locking
[format.formatter.locking]
🔗
template
<
class
T
>
constexpr
bool
enable_nonlocking_formatter_optimization
=
false
;
1
#
Remarks
: Pursuant to
[namespace.
std]
, users may specialize
enable_
nonlocking_
formatter_
optimization
for cv-unqualified program-defined types
.
Such specializations shall be usable in constant expressions (
[expr.
const]
) and have type
const
bool
.