dist/modules/object.js
function put(obj, key, val, immutable) {
    if (immutable)
        return _put(assign({}, obj), key, val);
    return _put(obj, key, val);
}
function put(obj, key, val, immutable) {
    if (immutable)
        return _put(assign({}, obj), key, val);
    return _put(obj, key, val);
}
function put ( obj , key , val , immutable ) { if ( immutable ) return _put ( assign ( { } , obj ) , key , val ) ; return _put ( obj , key , val ) ; }
Put a value to key. If the value is not currently an array it converts.

@param obj the object to push value to.
@param key the key or array of keys to be joined as dot notation.
@param val the value to be pushed.
@param immutable when true update in immutable mode.
Put a value to key . If the value is not currently an array it converts .