fixing an off-by-one error in Splat compilation

lib/nodes.js

@@ -376,7 +376,7 @@
         }
       }
       this.last = parts[parts.length - 1];
-      this.source = parts.length > 1 ? parts.slice(0, parts.length).join('') : null;
+      this.source = parts.length > 1 ? parts.slice(0, (parts.length - 1)).join('') : null;
       code = parts.join('').replace(/\)\(\)\)/, '()))');
       if (!(soaked)) {
         return code;

src/nodes.coffee

@@ -283,7 +283,7 @@ ValueNode: exports.ValueNode: inherit Node, {
         parts.push(part)
 
     @last: parts[parts.length - 1]
-    @source: if parts.length > 1 then parts[0...parts.length].join('') else null
+    @source: if parts.length > 1 then parts[0...(parts.length - 1)].join('') else null
     code: parts.join('').replace(/\)\(\)\)/, '()))')
     return code unless soaked
     '(' + code + ')'

test/test_splats.coffee

@@ -32,4 +32,16 @@ medalists "Mighty Mouse", contenders...
 ok gold is "Mighty Mouse"
 ok silver is "Michael Phelps"
 ok bronze is "Liu Xiang"
-ok the_field.length is 8
+ok the_field.length is 8
+
+
+obj: {
+  name: 'bob'
+  accessor: (args...) ->
+    [@name].concat(args).join(' ')
+  getNames: ->
+    args: ['jane', 'ted']
+    @accessor(args...)
+}
+
+ok obj.getNames() is 'bob jane ted'