Boost C++ Libraries

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Function template replace_head

boost::algorithm::replace_head — Replace head algorithm.

Synopsis

template<typename SequenceT, typename RangeT> 
  void replace_head(SequenceT & Input, int N, const RangeT & Format);

Description

Replace the head of the input with the given format string. The head is a prefix of a string of given size. If the sequence is shorter then required, the whole string is considered to be the head. The input sequence is modified in-place.

Parameters:

Format

A substitute string

Input

An input string

N

Length of the head. For N>=0, at most N characters are extracted. For N<0, size(Input)-|N| characters are extracted.


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