{{alias}}( target, ...source )
    Copies own and inherited enumerable properties from one or more source
    objects to a target object.

    If a property key is present in multiple sources, the property from the last
    source that defines the key prevails.

    Both string and symbol properties are copied.

    The target object is mutated.

    Parameters
    ----------
    target: Object
        Target object.

    source: ...Object
        Source object(s).

    Returns
    -------
    out: Object
        Target object.

    Examples
    --------
    > var obj1 = { 'name': 'John', 'age': 30 };
    > var obj2 = { 'country': 'US', 'city': 'San Francisco' };
    > var result = {{alias}}( obj1, obj2 )
    { 'name': 'John', 'age': 30, 'country': 'US', 'city': 'San Francisco' }

    See Also
    --------