private function Parse_function()
{
if (_index >= _tokens.Count())
{
return(null);
}
function _self = null;
var _word = new WordParser(_tokens, ref _index);
if (_word.word != null)
{
var _fn = new function(_word.word);
if (_fn.word != null)
{
_self = _fn;
}
}
return(_self);
}
public signed_function(minus _minus, function _function)
{
minus = _minus;
function = _function;
expression = minus?.expression + function.expression;
}