Function substitute

src/IECore/StringAlgo.cpp:341–346

#if BOOST_VERSION > 105500

std::string substitute( const std::string &s, const CompoundData *variables, unsigned substitutions )
{
	return substitute(
		s, CompoundDataVariableProvider( variables ), substitutions
	);
}

std::string substitute( const std::string &input, const VariableProvider &variableProvider, unsigned substitutions )
{