[#BloombergLP-bdlc-FlatHashMap-2constructor-0fc] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashMap.adoc[FlatHashMap]::FlatHashMap :relfileprefix: ../../../ :mrdocs: Create a `FlatHashMap` object having the same value, hasher, equality comparator, and allocator as the specified `original` object. The contents of `original` are moved (in constant time) to this object, `original` is left in a (valid) unspecified state, and no exceptions will be thrown. == Synopsis Declared in `<bdlc_flathashmap.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- FlatHashMap(xref:BloombergLP/bslmf/MovableRef.adoc[bslmf::MovableRef<FlatHashMap>] original); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#