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## Function template trim_left

boost::algorithm::trim_left — Left trim.

## Synopsis

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

    template<typename SequenceT>
      void trim_left(SequenceT & Input, const std::locale & Loc = std::locale());

## Description

Remove all leading spaces from the input. The Input sequence is modified in-place.

Parameters:

`Input` | An input sequence
`Loc` | A locale used for 'space' classification