.TH "std::_Deque_base< _Tp, _Alloc >" 3cxx "Wed Jul 28 2021" "libstdc++" \" -*- nroff -*-
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.SH NAME
std::_Deque_base< _Tp, _Alloc >
.SH SYNOPSIS
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.PP
.SS "Protected Types"

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.RI "enum { \fB_S_initial_map_size\fP }"
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.RI "typedef \fB__gnu_cxx::__alloc_traits\fP< _Tp_alloc_type > \fB_Alloc_traits\fP"
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.RI "typedef \fB__gnu_cxx::__alloc_traits\fP< _Map_alloc_type > \fB_Map_alloc_traits\fP"
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.RI "typedef _Alloc_traits::template rebind< _Ptr >::other \fB_Map_alloc_type\fP"
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.RI "typedef iterator::_Map_pointer \fB_Map_pointer\fP"
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.RI "typedef _Alloc_traits::pointer \fB_Ptr\fP"
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.RI "typedef _Alloc_traits::const_pointer \fB_Ptr_const\fP"
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.RI "typedef \fB__gnu_cxx::__alloc_traits\fP< _Alloc >::template rebind< _Tp >::other \fB_Tp_alloc_type\fP"
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.RI "typedef _Alloc \fBallocator_type\fP"
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.RI "typedef \fB_Deque_iterator\fP< _Tp, const _Tp &, _Ptr_const > \fBconst_iterator\fP"
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.RI "typedef \fB_Deque_iterator\fP< _Tp, _Tp &, _Ptr > \fBiterator\fP"
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.SS "Protected Member Functions"

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.RI "\fB_Deque_base\fP (\fB_Deque_base\fP &&__x)"
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.RI "\fB_Deque_base\fP (\fB_Deque_base\fP &&__x, const allocator_type &__a)"
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.RI "\fB_Deque_base\fP (\fB_Deque_base\fP &&__x, const allocator_type &__a, size_t __n)"
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.RI "\fB_Deque_base\fP (const allocator_type &__a)"
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.RI "\fB_Deque_base\fP (const allocator_type &__a, size_t __num_elements)"
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.RI "\fB_Deque_base\fP (size_t __num_elements)"
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.RI "_Map_pointer \fB_M_allocate_map\fP (size_t __n)"
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.RI "_Ptr \fB_M_allocate_node\fP ()"
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.RI "void \fB_M_create_nodes\fP (_Map_pointer __nstart, _Map_pointer __nfinish)"
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.RI "void \fB_M_deallocate_map\fP (_Map_pointer __p, size_t __n) noexcept"
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.RI "void \fB_M_deallocate_node\fP (_Ptr __p) noexcept"
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.RI "void \fB_M_destroy_nodes\fP (_Map_pointer __nstart, _Map_pointer __nfinish) noexcept"
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.RI "_Map_alloc_type \fB_M_get_map_allocator\fP () const noexcept"
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.RI "const _Tp_alloc_type & \fB_M_get_Tp_allocator\fP () const noexcept"
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.RI "_Tp_alloc_type & \fB_M_get_Tp_allocator\fP () noexcept"
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.RI "void \fB_M_initialize_map\fP (size_t)"
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.RI "Layout storage\&. "
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.RI "allocator_type \fBget_allocator\fP () const noexcept"
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.SS "Protected Attributes"

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.RI "_Deque_impl \fB_M_impl\fP"
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.SH "Detailed Description"
.PP 

.SS "template<typename _Tp, typename _Alloc>
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class std::_Deque_base< _Tp, _Alloc >"
Deque base class\&. This class provides the unified face for deque's allocation\&. This class's constructor and destructor allocate and deallocate (but do not initialize) storage\&. This makes exception safety easier\&.
.PP
Nothing in this class ever constructs or destroys an actual Tp element\&. (Deque handles that itself\&.) Only/All memory management is performed here\&. 
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Definition at line 408 of file stl_deque\&.h\&.
.SH "Member Function Documentation"
.PP 
.SS "template<typename _Tp , typename _Alloc > void \fBstd::_Deque_base\fP< _Tp, _Alloc >::_M_initialize_map (size_t __num_elements)\fC [protected]\fP"

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Layout storage\&. 
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\fBParameters\fP
.RS 4
\fI__num_elements\fP The count of T's for which to allocate space at first\&. 
.RE
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\fBReturns\fP
.RS 4
Nothing\&.
.RE
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The initial underlying memory layout is a bit complicated\&.\&.\&. 
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Definition at line 616 of file stl_deque\&.h\&.
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References std::max()\&.

.SH "Author"
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Generated automatically by Doxygen for libstdc++ from the source code\&.