context class to allow setting the current context.
Example useage with layer:
    regularizers = {'reg1': reg1, 'reg2': reg2}
    with UseRegularizer(regularizers):
        reg = RegularizerContext.current().get_regularizer('reg1')
        layer(reg=reg)
 
Definition at line 28 of file regularizer_context.py.
 1.8.11