Decrement operators

Synopses

Declared in <bslstl_bidirectionaliterator.h>

Post‐decrement the specified iterator and return its previous value.

template<
    class T,
    class ITER_IMP,
    class TAG_TYPE>
bslstl::BidirectionalIterator<T, ITER_IMP, TAG_TYPE>
operator‐‐(
    BidirectionalIterator<T, ITER_IMP, TAG_TYPE>& iter,
    int unused);

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Regress iter to the previous element and return its previous value.

template<
    class T,
    class ITER_IMP,
    class TAG_TYPE>
bslstl::RandomAccessIterator<T, ITER_IMP, TAG_TYPE>
operator‐‐(
    RandomAccessIterator<T, ITER_IMP, TAG_TYPE>& iter,
    int postfix);

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Move iter to the previous element and return its previous value.

template<
    class VALUE,
    class NODE,
    class DIFFERENCE_TYPE>
TreeIterator<VALUE, NODE, DIFFERENCE_TYPE>
operator‐‐(
    TreeIterator<VALUE, NODE, DIFFERENCE_TYPE>& iter,
    int postfix);

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Return Value

  • previous value of iter

  • previous value of iter before the decrement

Parameters

Name

Description

iter

iterator to decrement

unused

ignored; distinguishes post‐decrement

postfix

unused parameter distinguishing the postfix operator

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