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- # pylint: disable=undefined-variable
- """test suspicious lambda expressions
- """
-
- __revision__ = ''
-
- # Some simple examples of the most commonly encountered forms.
- # +1: [unnecessary-lambda]
- _ = lambda: list() # replaceable with "list"
- # +1: [unnecessary-lambda]
- _ = lambda x: hash(x) # replaceable with "hash"
- # +1: [unnecessary-lambda]
- _ = lambda x, y: min(x, y) # replaceable with "min"
-
- # A function that can take any arguments given to it.
- _ANYARGS = lambda *args, **kwargs: 'completely arbitrary return value'
-
- # Some more complex forms of unnecessary lambda expressions.
- # +1: [unnecessary-lambda]
- _ = lambda *args: _ANYARGS(*args)
- # +1: [unnecessary-lambda]
- _ = lambda **kwargs: _ANYARGS(**kwargs)
- # +1: [unnecessary-lambda]
- _ = lambda *args, **kwargs: _ANYARGS(*args, **kwargs)
- # +1: [unnecessary-lambda]
- _ = lambda x, y, z, *args, **kwargs: _ANYARGS(x, y, z, *args, **kwargs)
-
- # Lambdas that are *not* unnecessary and should *not* trigger warnings.
- _ = lambda x: x
- _ = lambda x: x()
- _ = lambda x=4: hash(x)
- _ = lambda x, y: list(range(y, x))
- _ = lambda x: list(range(5, x))
- _ = lambda x, y: list(range(x, 5))
- _ = lambda x, y, z: x.y(z)
- _ = lambda: 5
- _ = lambda **kwargs: _ANYARGS()
- _ = lambda **kwargs: _ANYARGS(**dict([('three', 3)]))
- _ = lambda **kwargs: _ANYARGS(**{'three': 3})
- _ = lambda dict_arg, **kwargs: _ANYARGS(kwargs, **dict_arg)
- _ = lambda *args: _ANYARGS()
- _ = lambda *args: _ANYARGS(*list([3, 4]))
- _ = lambda *args: _ANYARGS(*[3, 4])
- _ = lambda list_arg, *args: _ANYARGS(args, *list_arg)
- _ = lambda: _ANYARGS(*[3])
- _ = lambda: _ANYARGS(**{'three': 3})
- _ = lambda: _ANYARGS(*[3], **{'three': 3})
- _ = lambda: _ANYARGS(func=42)
-
- # Don't warn about this.
- _ = lambda: code().analysis()
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