safe-foldable
Provides defaulting
and mayhap
to safely wrap functions on Foldable
s that are partial with null data.
λ. minimum []
*** Exception: Prelude.minimum: empty list
λ. minimum [3,1,2]
1
λ. defaulting 0 minimum []
0
λ. defaulting 0 minimum [3,1,2]
1
λ. mayhap minimum []
Nothing
λ. mayhap minimum [3,1,2]
Just 1