'''
========================================================
Exceptions for CLI / REPL Commands and Param/Opt Objects
========================================================
'''
class BadOptNameError(Exception):
    __MSG = 'Opt.__init__() requires non-empty kwarg `name: str = ...`'
    def __init__(self) -> None:
        super().__init__(BadOptNameError.__MSG)

class InvalidOptError(Exception):
    __MSG = 'Opt.__init__() requires at least 1 short/longform'
    def __init__(self) -> None:
        super().__init__(InvalidOptError.__MSG)

class DisjointOverlapError(Exception):
    __MSG = 'Overlap.__add__() requires shared master, got disjoint'
    def __init__(self) -> None:
        super().__init__(DisjointOverlapError.__MSG)
        
class CmdDeclarationError(Exception):
    pass