Revision e055a2ab lib/ht.py
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return val is None |
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@WithDesc("ValueNone")
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def TValueNone(val): |
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"""Checks if the given value is L{constants.VALUE_NONE}.
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""" |
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return val == constants.VALUE_NONE |
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@WithDesc("Boolean")
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def TBool(val): |
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"""Checks if the given value is a boolean. |
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return TOr(TNone, test) |
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def TMaybeValueNone(test): |
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"""Used for unsetting values. |
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""" |
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return TMaybe(TOr(TValueNone, test)) |
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# Type aliases |
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#: a non-empty string |
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