---
name: "std::chrono_duration"
section: "3cxx"
platform: "linux"
package: "libstdc++6-4.4-doc"
version: "4.4.7-2"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/std::chrono_duration"
---

# std::chrono\_duration(3cxx)

## NAME

std::chrono::duration\< \_Rep, \_Period \> -

## SYNOPSIS

### Public Types

typedef \_Period **period**\
 typedef \_Rep **rep**\

### Public Member Functions

rep **count** () const \
 template\<typename \_Rep2 \> **duration** (\_Rep2 const &\_\_rep)\
 template\<typename \_Rep2 , typename \_Period2 \> **duration** (const **duration**\< \_Rep2, \_Period2 \> &\_\_d)\
 **duration** (const **duration** &)\
 **duration** & **operator\*=** (const rep &\_\_rhs)\
 **duration** **operator+** () const \
 **duration** & **operator++** ()\
 **duration** **operator++** (int)\
 **duration** & **operator+=** (const **duration** &\_\_d)\
 **duration** **operator-** () const \
 **duration** & **operator--** ()\
 **duration** **operator--** (int)\
 **duration** & **operator-=** (const **duration** &\_\_d)\
 **duration** & **operator/=** (const rep &\_\_rhs)\
 **duration** & **operator=** (const **duration** &)\
 **static\_assert** (!\_\_is\_duration\< \_Rep \>::value,'rep cannot be a **duration**')\
 **static\_assert** (\_\_is\_ratio\< \_Period \>::value,'period must be a specialization of **ratio**')\
 **static\_assert** (\_Period::num \> 0,'period must be positive')\

### Static Public Member Functions

static const **duration** **max** ()\
 static const **duration** **min** ()\
 static const **duration** **zero** ()\

## Detailed Description

### template\<typename \_Rep, typename \_Period\>struct std::chrono::duration\< \_Rep, \_Period \>

duration

Definition at line 200 of file chrono.

## Author

Generated automatically by Doxygen for libstdc++ from the source code.