20
General utilities library
[utilities]
20.11
Smart pointers
[smartptr]
20.11.4
Class template
weak_ptr
[util.smartptr.weak]
20.11.4.4
Modifiers
[util.smartptr.weak.mod]
🔗
void
swap
(
weak_ptr
&
r
)
noexcept
;
1
#
Effects:
Exchanges the contents of
*
this
and
r
.
🔗
void
reset
(
)
noexcept
;
2
#
Effects:
Equivalent to
weak_ptr
(
)
.
swap
(
*
this
)
.