view Implab/Parsing/Alphabet.cs @ 89:ce0171cacec4 v2

improved performance of a chained map operation
author cin
date Wed, 08 Oct 2014 02:19:45 +0400
parents 21611344d366
children
line wrap: on
line source

using Implab;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Implab.Parsing {
    public class Alphabet: AlphabetBase<char> {

        public Alphabet()
            : base(char.MaxValue + 1) {
        }

        public override int GetSymbolIndex(char symbol) {
            return symbol;
        }

        public override IEnumerable<char> InputSymbols {
            get { return Enumerable.Range(char.MinValue, char.MaxValue).Select(x => (char)x); }
        }
    }
}