package batteries

Overview
Docs

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in-package search v0.2.0

A community-maintained standard library extension

Install

Dune Dependency

github.com Edit opam file Versions (14)

Authors

O

OCaml batteries-included team

Maintainers

C

Cedric Cellier <rixed@happyleptic.org>
F

Francois Berenger <unixjunkie@sdf.org>
Gabriel Scherer
T

Thibault Suzanne <thi.suzanne@gmail.com>

Sources

v3.3.0.tar.gz

sha256=40d18485911e343500a5636bbf1d84e2ee32f924fe87e5fd13a37641a4d8f226

md5=fe4da12b678a82faaeda4e58492ea871

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

Module `BatOption.Monad`

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

type 'a m = 'a option

The type of values in this monad : option

val return : 'a -> 'a m

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

val 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.