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Function template trim_left_if

boost::algorithm::trim_left_if — Left trim.

Synopsis

// In header: <boost/algorithm/string/trim.hpp>


template<typename SequenceT, typename PredicateT> 
  void trim_left_if(SequenceT & Input, PredicateT IsSpace);

Description

Remove all leading spaces from the input. The supplied predicate is used to determine which characters are considered spaces. The input sequence is modified in-place.

Parameters:

Input

An input sequence

IsSpace

An unary predicate identifying spaces


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