Mercurial > pub > ImplabNet

diff Implab/Automaton/RegularExpressions/EmptyToken.cs @ 162:0526412bbb26 ref20160224

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
DFA refactoring
author cin
date Wed, 24 Feb 2016 08:39:53 +0300
parents
children a0ff6a0e9c44
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Implab/Automaton/RegularExpressions/EmptyToken.cs	Wed Feb 24 08:39:53 2016 +0300
@@ -0,0 +1,13 @@
+using Implab;
+
+namespace Implab.Automaton.RegularExpressions {
+    public class EmptyToken<TTag> : Token<TTag> {
+        public override void Accept(IVisitor<TTag> visitor) {
+            Safe.ArgumentNotNull(visitor, "visitor");
+            visitor.Visit(this);
+        }
+        public override string ToString() {
+            return "$";
+        }
+    }
+}