[#bsl-basic_string-0faf-2constructor-05c]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0faf.adoc[basic_string]::basic_string
:relfileprefix: ../../
:mrdocs:

Create a string that has the same value as the specified `original` string that uses the specified `basicAllocator` to supply memory. The contents of `original` are moved (in constant time) to the new string if `basicAllocator == original.get_allocator()`, and are copied (in linear time) using `basicAllocator` otherwise. `original` is left in a valid but unspecified state.

== Synopsis

Declared in `<bslstl_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
basic_string(
    xref:BloombergLP/bslmf/MovableRef.adoc[BloombergLP::bslmf::MovableRef<basic_string>] original,
    ALLOCATOR const& basicAllocator);
----


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