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

Type(what is this?)

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;
    }
  }