empty

Function

empty

Test a container for being empty.

Class.RankSupportBitString

bool empty(object)

Include Headers

seqan/graph_types.h, seqan/sequence.h

Parameters

object

A container.

Types: char array, CompressedSA, Graph, Holder, PriorityType, RankSupportBitString, RightArrayBinaryTree, Segment, SparseString, std::basic_string, std::vector, String, String

Remarks

empty(x) is guaranteed to be at least as fast as length(me) == 0, but can be significantly faster in some cases.

Return Values

true if object contains no elements, otherwise false.

Member of

String, CompressedSA, std::basic_string, std::vector, PriorityType, RightArrayBinaryTree, Graph, Holder, SparseString

Part of Concept

ContainerConcept, Container

See Also

emptyHost, length

SeqAn - Sequence Analysis Library - www.seqan.de

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