and_then3: Evaluate a ternary maybe returning function on three maybe...

In maybe: The Maybe Monad

Evaluate a ternary maybe returning function on three maybe values

Description

Evaluate a ternary maybe returning function on three maybe values

Usage

and_then3(.m1, .m2, .m3, .f, ...)

Arguments

.m1	A maybe value
.m2	A maybe value
.m3	A maybe value
.f	A ternary maybe returning function to apply to the maybe values
...	Named arguments for the function .f

Value

A maybe value

Examples

safe_sum <- maybe(function(x, y, z) sum(x, y, z))

and_then3(just(1), just(2), just(3), safe_sum)
and_then3(nothing(), just(2), just(3), safe_sum)

maybe documentation built on Aug. 7, 2023, 5:11 p.m.