group

The group() function runs several Either values (or functions returning an Either) and returns the first Left encountered. If all are Right, it aggregates their values into a typed object.

Interactive example

Parameters

• group: Object where each property is an Either or a function returning an Either.

Return value

• Right with an object gathering all values when they are all Right.
• Otherwise the first Left that fails in the order of declaration of the group.

See also

• asyncGroup - Async version accepting promises or Future
• rightPipe - Synchronous pipeline on Right
• rightAsyncPipe - Async pipeline on Right