Description Usage Arguments Format Value See Also
Similar to maybe_map but for input of four Maybe type values. Cannot use purrr-style lambdas (~ .x).
1 | maybe_map_4(a, b, c, d, f)
|
a |
A Maybe (two-track) value. |
b |
A Maybe (two-track) value. |
c |
A Maybe (two-track) value. |
d |
A Maybe (two-track) value. |
f |
A function taking four non-Maybe (one-track) arguments and returning either a non-Maybe (one-track) value or a Maybe (two-track) value. |
maybe_map_4 :: Maybe a -> Maybe b -> Maybe c -> Maybe d -> (a -> b -> c -> d -> x) -> Maybe x
A Maybe (two-track) value
Other Maybe functions: as_maybe
,
is_nothing
, maybe_apply
,
maybe_bind
, maybe_default
,
maybe_map_2
, maybe_map_3
,
maybe_map_5
, maybe_map
,
maybe_then
, maybes_collapse
,
maybes_partition
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