Class Either<ValueT, ErrorT>

Represent either a result, or an error.

Type Parameters

ValueT

type of the resulting value
ErrorT

type of the error

Hierarchy

Either

Index

Constructors

Properties

Methods

Constructors

constructor

new Either<ValueT, ErrorT>(value: ValueT, error: ErrorT): Either<ValueT, ErrorT>
Type Parameters
- ValueT
- ErrorT
Parameters
- value: ValueT
- error: ErrorT
Returns Either<ValueT, ErrorT>
- Defined in common.ts:135

Properties

`Readonly` error

error: ErrorT

error if something failed

`Readonly` value

value: ValueT

value if something successful

Methods

mustValue

mustValue(): ValueT
Assert that value is set and return it.

Returns
value, or throw if null

Returns ValueT
- Defined in common.ts:128

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