Type Alias FtResult<T, E>

FtResult: FtOk<T, E> | FtErr<T, E>

Represents the outcome of an operation that can either succeed or fail.

Use this union type to model operations that return either a value or an error. The type is narrowed with Ok.isOk and Err.isErr before reading the payload in each branch.

Type Parameters

T
The value type produced by a successful operation.
E = string
The error type produced by a failed operation.

Example

const result: Result<number, string> = Math.random() > 0.5 ? new Ok(42) : new Err("No luck");

if (result.isOk()) {
  console.log(result.value);
} else {
  console.error(result.error);
}

Type Alias FtResult<T, E>

Type Parameters

Example

Settings