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C++ Library - <utility>
Introduction
It contains utilities in unrelated domains.
Pairs − these objects can hold two values of different types: pair, make_pair, piecewise_construct, piecewise_construct_t.
Generic relational operators − It is a standard definitions for the relational operators !=, >, <= and >= under a specific namespace: rel_ops.
Rvalue casts (C++11) − It allows the generation of rvalue references: forward, move, move_if_noexcept, declval.
Generic swap function − This a standard definition used by default by the components of the standard library for all types that do not provide their own overload: swap.
Functions
Sr.No. | Function & description |
---|---|
1 |
swap
It exchanges values of two objects. |
2 |
make_pair
It constructs the pair objects. |
3 |
forward
It is a forward argument. |
4 |
move
It moves as rvalue. |
5 |
move_if_noexcept
It moves if noexcept. |
6 |
declval
It is a declaration value. |
Constants
Sr.No. | Constant & description |
---|---|
1 |
piecewise_construct
It is a piecewise construct constant. |
Namespaces
Sr.No. | Namespace & description |
---|---|
1 |
rel_ops
It is a relational Operators. |