Twelve: Result: Add `onSuccess`/`onError` methods (8b559295) · Commits · e / os / android_packages_apps_Twelve

app/src/main/java/org/lineageos/twelve/models/Result.kt

+28 −0

Original line number	Diff line number	Diff line
		@@ -51,5 +51,33 @@ sealed interface Result<T, E> {
		inline fun <T, E, R> Result<T, E>.map(
		mapping: (T) -> R
		): Result<R, E> = flatMap { Success(mapping(it)) }

		/**
		* Execute a block if the result is [Success].
		*
		* @param block The block to execute
		*/
		inline fun <R : Result<T, E>, reified T, E> R.onSuccess(
		block: (T) -> Unit,
		): R = this.also {
		when (this) {
		is Success<, > -> block(data as T)
		is Error<, > -> Unit
		}
		}

		/**
		* Execute a block if the result is [Error].
		*
		* @param block The block to execute
		*/
		inline fun <R : Result<T, E>, T, reified E> R.onError(
		block: (E) -> Unit,
		): R = this.also {
		when (this) {
		is Success<, > -> Unit
		is Error<, > -> block(error as E)
		}
		}
		}
		}