public static string Consume(this LexInput input, int len)
{
var sb = new StringBuilder(len);
for (int i = 0; i < len; i++)
{
sb.Append(input.Consume());
}
return(sb.ToString());
}
public Lexer(string input)
{
this.input = new LexInput(input, this.LexLValue, this.LexRValue);
this.lexerState = this.input.LexValueState;
}
