package batteries

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A community-maintained standard library extension

Install

Dune Dependency

github.com Readme Edit opam file Versions (14)

Authors

O

OCaml batteries-included team

Maintainers

Sources

v3.9.0.tar.gz

md5=ea26b5c72e6731e59d856626049cca4d

sha512=55975b62c26f6db77433a3ac31f97af609fc6789bb62ac38b267249c78fd44ff37fe81901f1cf560857b9493a6046dd37b0d1c0234c66bd59e52843aac3ce6cb

doc/batteries.unthreaded/BatOption/Monad/index.html

Module `BatOption.Monad`Source

This module provides everything needed to write and execute computations in the Option monad.

Sourcetype 'a m = 'a option

The type of values in this monad : option

Sourceval return : 'a -> 'a m

return x puts a value in the Option monad, that is, returns Some x.

Sourceval bind : 'a m -> ('a -> 'b m) -> 'b m

bind m f combines the calculation result m with the function f. E.g, in the Option monad : bind (Some 1) (fun x -> if x = 1 then Some 4 else None) returns Some 4.