Function template erase_head
boost::algorithm::erase_head — Erase head algorithm.
Synopsis
template<typename SequenceT> void erase_head(SequenceT & Input, int N);
Description
Remove the head from the input. The head is a prefix of a sequence 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: |
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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