Function uniq

pattern/web/pdf/utils.py:36–43

Eliminates duplicated elements.

(objs)

# uniq
def uniq(objs):
    """Eliminates duplicated elements."""
    done = set()
    for obj in objs:
        if obj in done: continue
        done.add(obj)
        yield obj
    return

# csort
def csort(objs, key=lambda x:x):