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converted *Result types to new Swift.Result

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John Estropia
2019-03-30 23:58:26 +09:00
parent bf8a1062e0
commit 0ab52d2f43
9 changed files with 100 additions and 316 deletions
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47
Sources/MigrationResult.swift
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@@ -30,7 +30,8 @@ import Foundation
/**
The `MigrationResult` indicates the result of a migration.
The `MigrationResult` can be treated as a boolean:
`MigrationResult.success` indicates either the migration succeeded, or there were no migrations needed. The associated value is an array of `MigrationType`s reflecting the migration steps completed.
`MigrationResult.failure` indicates that the migration failed. The associated object for this value is the a `CoreStoreError` enum value.
```
CoreStore.upgradeStorageIfNeeded(SQLiteStorage(fileName: "data.sqlite")) { (result) in
switch result {
@@ -42,46 +43,4 @@ import Foundation
}
```
*/
public enum MigrationResult: Hashable {
/**
`MigrationResult.success` indicates either the migration succeeded, or there were no migrations needed. The associated value is an array of `MigrationType`s reflecting the migration steps completed.
*/
case success([MigrationType])
/**
`SaveResult.failure` indicates that the migration failed. The associated object for this value is the a `CoreStoreError` enum value.
*/
case failure(CoreStoreError)
/**
Returns `true` if the result indicates `.success`, `false` if the result is `.failure`.
*/
public var isSuccess: Bool {
switch self {
case .success: return true
case .failure: return false
}
}
// MARK: Internal
internal init(_ migrationTypes: [MigrationType]) {
self = .success(migrationTypes)
}
internal init(_ error: CoreStoreError) {
self = .failure(error)
}
internal init(_ error: Error) {
self = .failure(CoreStoreError(error))
}
}
public typealias MigrationResult = Swift.Result<[MigrationType], CoreStoreError>