Function curry

libs/echarts/echarts.simple.js:654–659

* @memberOf module:zrender/core/util * @param {Function} func * @return {Function}

(func)

 * @return {Function}
 */
function curry(func) {
    var args = nativeSlice.call(arguments, 1);
    return function () {
        return func.apply(this, args.concat(nativeSlice.call(arguments)));
    };
}

/**
 * @memberOf module:zrender/core/util