Remove feed()

Closes #43

Author: tjvr

moo.js

@@ -424,11 +424,6 @@
     }
   }
 
-  Lexer.prototype.feed = function(data) {
-    this.buffer += data
-    return this
-  }
-
   Lexer.prototype.clone = function() {
     return new Lexer(this.states, this.state)
   }

test/python.js

@@ -56,7 +56,7 @@ var pythonLexer = moo.compile({
 
 
 var tokenize = function(input, emit) {
-  var lexer = pythonLexer.clone().feed(input);
+  var lexer = pythonLexer.reset(input);
   var lex = function() { return lexer.next(); }
 
   var tok = lex();

test/test.js

@@ -333,7 +333,7 @@ describe('stateful lexer', () => {
         strend:   {match: '`', pop: 1},
         const:    {match: /(?:[^$`]|\$(?!\{))+/, lineBreaks: true},
       },
-    }).feed('`a${{c: d}}e`')
+    }).reset('`a${{c: d}}e`')
     expect(lexAll(lexer).map(t => t.type).join(' ')).toBe('strstart const interp lbrace ident colon space ident rbrace rbrace const strend')
   })
 

test/tosh.js

@@ -31,7 +31,7 @@ let toshLexer = moo.compile([
 ])
 
 function tokenize(source) {
-  let lexer = toshLexer.clone().feed(source + '\n')
+  let lexer = toshLexer.reset(source + '\n')
   let tokens = []
   for (let tok of lexer) {
     if (tok.type !== 'WS') {