getOrElse

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

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
stable
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/)