pylib/uxml/uxpath/functions.py
def string_length(ctx, s=None):
    '''
    Yields one number
    '''
    if s is None:
        s = ctx.node
    elif callable(s):
        s = next(s.compute(ctx), '')
    yield len(s)
def string_length(ctx, s=None):
    '''
    Yields one number
    '''
    if s is None:
        s = ctx.node
    elif callable(s):
        s = next(s.compute(ctx), '')
    yield len(s)
Yields one number