for equivalent operator ".."

[scippio]

like: {% for i in 0..10 %}
http://twig.sensiolabs.org/doc/tags/for.html

[guohuihot]

var locals = {
    arr: function(pattern) {
        // 返回
        if (pattern.indexOf('..') == -1) {
            return [];
        }
        var aPattern = pattern.split('..');
        var arr = [];

        if (!/\d+/.test(aPattern[0])) {
            for (var i = aPattern[0].charCodeAt(0); i <= aPattern[1].charCodeAt(0); i++) {
                arr.push(String.fromCharCode(i));
            }
        } else {
            for (var i = aPattern[0]; i <= aPattern[1]; i++) {
                arr.push(i);
            };
        }
        return arr;
    }
};

{% for i in arr('1..10') %}
 {{ i }} 
{% endfor %}

[nylen]

Like @guohuihot, I would say this should be done outside of the swig library, but I would write it more explicitly:

{% for i in range(1, 10) %}
  ...
{% endfor %}

The range function is easy to write or to pull in from a library:

• https://stackoverflow.com/questions/8273047/javascript-function-similar-to-python-range
• https://www.npmjs.com/package/node-range

I suggest closing this issue.