Class: Err<T, E>

Type Parameters

T

E

new Err<T, E>(error: E): Err<T, E>;

E

Err<T, E>

isErr(): this is Err<T, E>;

Returns true only if this contains an error and allows safe access to the value via result.error.

this is Err<T, E>

ResultInterface.isErr

isOk(): this is Ok<T, E>;

Returns true only if this contains a value and allows safe access to the value via result.value.

this is Ok<T, E>

ResultInterface.isOk

unwrap(): T;

Returns the value if this contains a value, or throws the error.

T

ResultInterface.unwrap

readonly error: E;