Replace all locations in the input with the same value. The default
definition is fmap . const, but this may be
overridden with a more efficient version.
Examples
Perform a computation with Maybe and replace the result with a
constant value if it is Just:
>>> 'a' <$ Just 2
Just 'a'
>>> 'a' <$ Nothing
Nothing
Replace all locations in the input with the same value. The default
definition is fmap . const, but this may be
overridden with a more efficient version.
Replace all locations in the input with the same value. The default
definition is fmap . const, but this may be
overridden with a more efficient version.
Using ApplicativeDo: 'a <$ bs' can be
understood as the do expression