aspis.common.flip

aspis.common.flip(fn)[source]

Returns a new function much like the supplied one, except that the first two arguments’ order is reversed.

Parameters:: fn (Callable[..., Any]) – The function to be called with the first two arguments reversed.
Returns:: A new function that calls fn with the first two arguments reversed.
Return type:: Callable[…, Any]

Example

>>> from aspis.common import divide
>>> divide(10, 2)
5.0
>>> flip(divide)(10, 2)
0.2