[#bsl-map-0a7-2constructor-0bc]
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Constructors

== Synopses

Declared in `<bslstl_map.h>`

Create an empty map.


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Create a map with the same value as `original`.


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xref:bsl/map-0a7/2constructor-06.adoc[map](xref:bsl/map-0a7.adoc[map] const& original);
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Create a map by moving from `original`.


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xref:bsl/map-0a7/2constructor-0e.adoc[map](xref:BloombergLP/bslmf/MovableRef.adoc[BloombergLP::bslmf::MovableRef<map>] original);
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Create an empty map that uses `basicAllocator`.


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explicit
xref:bsl/map-0a7/2constructor-0c.adoc[map](ALLOCATOR const& basicAllocator);
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Create a map by moving from `original` using `basicAllocator`.


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xref:bsl/map-0a7/2constructor-008.adoc[map](
    xref:BloombergLP/bslmf/MovableRef.adoc[BloombergLP::bslmf::MovableRef<map>] original,
    ALLOCATOR const& basicAllocator);
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Create a map from `values` using `basicAllocator`.


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xref:bsl/map-0a7/2constructor-090.adoc[map](
    std::initializer_list<value_type> values,
    ALLOCATOR const& basicAllocator);
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Create an empty map using `comparator` and `basicAllocator`.


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explicit
xref:bsl/map-0a7/2constructor-01a.adoc[map](
    COMPARATOR const& comparator,
    ALLOCATOR const& basicAllocator = ALLOCATOR());
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[.small]#xref:bsl/map-0a7/2constructor-01a.adoc[_» more..._]#

Create a map with the value of `original` using `basicAllocator`.


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    xref:bsl/map-0a7.adoc[map] const& original,
    ALLOCATOR const& basicAllocator);
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Create a map from `values`, optionally with comparator and allocator.


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xref:bsl/map-0a7/2constructor-0ba.adoc[map](
    std::initializer_list<value_type> values,
    COMPARATOR const& comparator = COMPARATOR(),
    ALLOCATOR const& basicAllocator = ALLOCATOR());
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[.small]#xref:bsl/map-0a7/2constructor-0ba.adoc[_» more..._]#

Create a map from `[first, last)]` using `basicAllocator`.


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template<class INPUT_ITERATOR>
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    INPUT_ITERATOR first,
    INPUT_ITERATOR last,
    ALLOCATOR const& basicAllocator);
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Create a map from `range` using `basicAllocator`.


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template<class RANGE>
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    std::from_range_t tag,
    RANGE&& range,
    ALLOCATOR const& basicAllocator);
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Create a map from `[first, last)]`, optionally with comparator and allocator.


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template<class INPUT_ITERATOR>
xref:bsl/map-0a7/2constructor-0a.adoc[map](
    INPUT_ITERATOR first,
    INPUT_ITERATOR last,
    COMPARATOR const& comparator = COMPARATOR(),
    ALLOCATOR const& basicAllocator = ALLOCATOR());
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Create a map from `range`, optionally with comparator and allocator.


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template<class RANGE>
xref:bsl/map-0a7/2constructor-001.adoc[map](
    std::from_range_t tag,
    RANGE&& range,
    COMPARATOR const& comparator = COMPARATOR(),
    ALLOCATOR const& basicAllocator = ALLOCATOR());
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[.small]#xref:bsl/map-0a7/2constructor-001.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *original*
| map to copy
| *basicAllocator*
| allocator used to supply memory
| *values*
| initializer list of elements to insert
| *comparator*
| functor used to order keys
| *first*
| beginning of the range to copy
| *last*
| end of the range to copy
| *tag*
| disambiguation tag for range construction
| *range*
| input range of elements to insert
|===


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