---
name: "std::__debug::deque"
section: "3"
platform: "linux"
package: "gcc"
version: "16.2.1+r23+gd564253eb6c8-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/std::__debug::deque"
---

# std::\_\_debug::deque(3)

Class std::deque with safety/checking/debug instrumentation.

## NAME

std::\_\_debug::deque\< \_Tp, \_Allocator \> - Class std::deque with safety/checking/debug instrumentation.

## SYNOPSIS

\#include \<deque\>

Inherits **\_\_gnu\_debug::\_Safe\_container\< \_SafeContainer, \_Alloc, \_SafeBase, \_IsCxx11AllocatorAware \>**.

### Public Types

typedef \_Allocator **allocator\_type**\
 typedef **\_\_gnu\_debug::\_Safe\_iterator**\< \_Base\_const\_iterator, deque \> **const\_iterator**\
 typedef \_Base::const\_pointer **const\_pointer**\
 typedef \_Base::const\_reference **const\_reference**\
 typedef **std::reverse\_iterator**\< const\_iterator \> **const\_reverse\_iterator**\
 typedef \_Base::difference\_type **difference\_type**\
 typedef **\_\_gnu\_debug::\_Safe\_iterator**\< \_Base\_iterator, deque \> **iterator**\
 typedef \_Base::pointer **pointer**\
 typedef \_Base::reference **reference**\
 typedef **std::reverse\_iterator**\< iterator \> **reverse\_iterator**\
 typedef \_Base::size\_type **size\_type**\
 typedef \_Tp **value\_type**\

### Public Member Functions

**deque** (\_Base\_ref \_\_x)\
 template\<class \_InputIterator, typename = std::\_RequireInputIter\<\_InputIterator\>\> **deque** (\_InputIterator \_\_first, \_InputIterator \_\_last, const \_Allocator &\_\_a=\_Allocator())\
 **deque** (const \_Allocator &\_\_a)\
 **deque** (const deque &)=default\
 **deque** (const deque &\_\_d, const \_\_type\_identity\_t\< \_Allocator \> &\_\_a)\
 **deque** (deque &&)=default\
 **deque** (deque &&\_\_d, const \_\_type\_identity\_t\< \_Allocator \> &\_\_a)\
 **deque** (**initializer\_list**\< value\_type \> \_\_l, const allocator\_type &\_\_a=allocator\_type())\
 **deque** (size\_type \_\_n, const \_\_type\_identity\_t\< \_Tp \> &\_\_value, const \_Allocator &\_\_a=\_Allocator())\
 **deque** (size\_type \_\_n, const \_Allocator &\_\_a=\_Allocator())\
 const \_Base & **\_M\_base** () const noexcept\
 \_Base & **\_M\_base** () noexcept\
 template\<class \_InputIterator, typename = std::\_RequireInputIter\<\_InputIterator\>\> void **assign** (\_InputIterator \_\_first, \_InputIterator \_\_last)\
 void **assign** (**initializer\_list**\< value\_type \> \_\_l)\
 void **assign** (size\_type \_\_n, const \_Tp &\_\_t)\
 const\_reference **back** () const noexcept\
 reference **back** () noexcept\
 const\_iterator **begin** () const noexcept\
 iterator **begin** () noexcept\
 const\_iterator **cbegin** () const noexcept\
 const\_iterator **cend** () const noexcept\
 void **clear** () noexcept\
 const\_reverse\_iterator **crbegin** () const noexcept\
 const\_reverse\_iterator **crend** () const noexcept\
 template\<typename... \_Args\> iterator **emplace** (const\_iterator \_\_position, \_Args &&... \_\_args)\
 template\<typename... \_Args\> reference **emplace\_back** (\_Args &&... \_\_args)\
 template\<typename... \_Args\> reference **emplace\_front** (\_Args &&... \_\_args)\
 const\_iterator **end** () const noexcept\
 iterator **end** () noexcept\
 iterator **erase** (const\_iterator \_\_first, const\_iterator \_\_last)\
 iterator **erase** (const\_iterator \_\_position)\
 const\_reference **front** () const noexcept\
 reference **front** () noexcept\
 template\<class \_InputIterator, typename = std::\_RequireInputIter\<\_InputIterator\>\> iterator **insert** (const\_iterator \_\_position, \_InputIterator \_\_first, \_InputIterator \_\_last)\
 iterator **insert** (const\_iterator \_\_position, \_Tp &&\_\_x)\
 iterator **insert** (const\_iterator \_\_position, const \_Tp &\_\_x)\
 iterator **insert** (const\_iterator \_\_position, **initializer\_list**\< value\_type \> \_\_l)\
 iterator **insert** (const\_iterator \_\_position, size\_type \_\_n, const \_Tp &\_\_x)\
 deque & **operator=** (const deque &)=default\
 deque & **operator=** (deque &&)=default\
 deque & **operator=** (**initializer\_list**\< value\_type \> \_\_l)\
 const\_reference **operator\[\]** (size\_type \_\_n) const noexcept\
 reference **operator\[\]** (size\_type \_\_n) noexcept\
 void **pop\_back** () noexcept\
 void **pop\_front** () noexcept\
 void **push\_back** (\_Tp &&\_\_x)\
 void **push\_back** (const \_Tp &\_\_x)\
 void **push\_front** (\_Tp &&\_\_x)\
 void **push\_front** (const \_Tp &\_\_x)\
 const\_reverse\_iterator **rbegin** () const noexcept\
 reverse\_iterator **rbegin** () noexcept\
 const\_reverse\_iterator **rend** () const noexcept\
 reverse\_iterator **rend** () noexcept\
 void **resize** (size\_type \_\_sz)\
 void **resize** (size\_type \_\_sz, const \_Tp &\_\_c)\
 void **shrink\_to\_fit** () noexcept\
 void **swap** (deque &\_\_x) noexcept(/\***conditional** \*/)\

### Protected Member Functions

constexpr void **\_M\_swap** (const \_Safe\_container &\_\_x) const noexcept\

### Friends

template\<typename \_ItT, typename \_SeqT, typename \_CatT\> class **::\_\_gnu\_debug::\_Safe\_iterator**\

## Detailed Description

### template\<typename \_Tp, typename \_Allocator = std::allocator\<\_Tp\>\>

class std::\_\_debug::deque\< \_Tp, \_Allocator \>"Class std::deque with safety/checking/debug instrumentation.

## Author

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