29
Time library
[time]
29.1
General
[time.general]
1
#
This Clause describes the chrono library (
[time.
syn]
) and various C functions (
[ctime.
syn]
) that provide generally useful time utilities, as summarized in Table
98
.
Table
98
: Time library summary
[tab:time.summary]
🔗
Subclause
Header
🔗
[time.
clock.
req]
Cpp17Clock
requirements
🔗
[time.
traits]
Time-related traits
<
chrono
>
🔗
[time.
duration]
Class template
duration
🔗
[time.
point]
Class template
time_
point
🔗
[time.
clock]
Clocks
🔗
[time.
cal]
Civil calendar
🔗
[time.
hms]
Class template
hh_
mm_
ss
🔗
[time.
12]
12/24 hour functions
🔗
[time.
zone]
Time zones
🔗
[time.
format]
Formatting
🔗
[time.
parse]
Parsing
🔗
[ctime.
syn]
C library time utilities
<
ctime
>
2
#
Let
STATICALLY-WIDEN
<
charT
>
(
"..."
)
be
"..."
if
charT
is
char
and
L"..."
if
charT
is
wchar_
t
.