Data.MonoidMap.Internal.NonNull

Contents

Description

Provides the NonNull type and related functions.

This module is intended to be imported qualified:

import Data.MonoidMap.Internal.NonNull (NonNull)
import Data.MonoidMap.Internal.NonNull qualified as NonNull

Synopsis

Type

A value that is not null.

Instances details

NFData v => NFData (NonNull v) Source #
Instance details Defined in Data.MonoidMap.Internal.NonNull.Unsafe Methods rnf :: NonNull v -> () #

Construction

Converts a value into a NonNull value, returning Nothing if the value is null.

Extracts the value from a NonNull value.

apply :: (v -> a) -> NonNull v -> a Source #

Applies a function on ordinary values to a NonNull value.

apply2 :: (v1 -> v2 -> a) -> NonNull v1 -> NonNull v2 -> a Source #

Applies a binary function on ordinary values to two NonNull values.