getOrElse

Extracts the value of a Result structure, if it exists (i.e.: is an Ok), otherwise returns the provided default value.

This feature is experimental!

This API is still experimental, so it may change or be removed in future versions. You should not rely on it for production applications.

Signature

forall a, b: (Result a b).(b) => b

Documentation

Extracts the value of a Result structure, if it exists (i.e.: is an Ok), otherwise returns the provided default value.

Example:

const Result = require('folktale/result');

Result.Ok(1).getOrElse(2);
// ==> 1

Result.Error(1).getOrElse(2);
// ==> 2

Properties

Source Code

Defined in source/result/result.js at line 75, column 19
{
    /*~*/
    Error: function getOrElse(_default) {
      return _default;
    },

    /*~*/
    Ok: function getOrElse(_default) {
      return this.value;
    }
  }
Stability
experimental
Licence
MIT
Module
folktale/result/result
Authors
Copyright
(c) 2013-2017 Quildreen Motta, and CONTRIBUTORS
Authors
  • Quildreen Motta
Maintainers
  • Quildreen Motta <queen@robotlolita.me> (http://robotlolita.me/)