v-for doesn't support String #4497
Description
Per the doc ( https://vuejs.org/v2/api/#v-for ), string iteration is supported, but I think it hasn't been implemented ( https://github.com/vuejs/vue/blob/dev/src/core/instance/render.js#L176 )
JSFiddle: http://jsfiddle.net/fenivana/5sH6A/969/
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://unpkg.com/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
hello <span v-for="v in foo">{{v}}</span>
</div>
<script>
new Vue({
data: {
foo: 'foo'
},
el: '#app'
})
</script>
</body>
</html>