| 90 | } |
| 91 | |
| 92 | class OkImpl<T> implements Result<T, never> { |
| 93 | #val: T; |
| 94 | constructor(val: T) { |
| 95 | this.#val = val; |
| 96 | } |
| 97 | |
| 98 | map<U>(fn: (val: T) => U): Result<U, never> { |
| 99 | return new OkImpl(fn(this.#val)); |
| 100 | } |
| 101 | |
| 102 | mapErr<F>(_fn: (val: never) => F): Result<T, F> { |
| 103 | return this; |
| 104 | } |
| 105 | |
| 106 | mapOr<U>(_fallback: U, fn: (val: T) => U): U { |
| 107 | return fn(this.#val); |
| 108 | } |
| 109 | |
| 110 | mapOrElse<U>(_fallback: () => U, fn: (val: T) => U): U { |
| 111 | return fn(this.#val); |
| 112 | } |
| 113 | |
| 114 | andThen<U>(fn: (val: T) => Result<U, never>): Result<U, never> { |
| 115 | return fn(this.#val); |
| 116 | } |
| 117 | |
| 118 | and<U>(res: Result<U, never>): Result<U, never> { |
| 119 | return res; |
| 120 | } |
| 121 | |
| 122 | or(_res: Result<T, never>): Result<T, never> { |
| 123 | return this; |
| 124 | } |
| 125 | |
| 126 | orElse<F>(_fn: (val: never) => Result<T, F>): Result<T, F> { |
| 127 | return this; |
| 128 | } |
| 129 | |
| 130 | isOk(): this is OkImpl<T> { |
| 131 | return true; |
| 132 | } |
| 133 | |
| 134 | isErr(): this is ErrImpl<never> { |
| 135 | return false; |
| 136 | } |
| 137 | |
| 138 | expect(_msg: string): T { |
| 139 | return this.#val; |
| 140 | } |
| 141 | |
| 142 | expectErr(msg: string): never { |
| 143 | throw new Error(`${msg}: ${this.#val}`); |
| 144 | } |
| 145 | |
| 146 | unwrap(): T { |
| 147 | return this.#val; |
| 148 | } |
| 149 |
nothing calls this directly
no outgoing calls
no test coverage detected