Result

E427889

Result is a Swift standard library enum used to represent either a successful value or an error, enabling clearer error handling and propagation.

All labels observed (1)

Label Occurrences
Result canonical 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf Swift standard library enum ⓘ
alternativeTo optional return types for error-prone operations ⓘ
tuple-based error returns ⓘ
benefit improves readability of asynchronous code ⓘ
makes error paths explicit in type signatures ⓘ
reduces reliance on throwing functions in some designs ⓘ
conformsTo Codable (when Success and Failure are Codable) ⓘ
Equatable (when Success and Failure are Equatable) ⓘ
Hashable (when Success and Failure are Hashable) ⓘ
Sendable (when Success and Failure are Sendable) ⓘ
constrainsGeneric Failure : Error ⓘ
definedIn Swift Standard Library ⓘ
documentedAt Apple Developer Documentation for Swift Standard Library ⓘ
enables chaining operations with error handling ⓘ
explicit modeling of failures ⓘ
returning errors as values ⓘ
errorCaseRepresents an error conforming to Error protocol ⓘ
genericOver Failure ⓘ
Success ⓘ
hasCase failure ⓘ
success ⓘ
hasCasePayload failure(Failure) ⓘ
success(Success) ⓘ
hasMethod flatMap(_:) ⓘ
flatMapError(_:) ⓘ
fold(onSuccess:onFailure:) ⓘ
get() ⓘ
map(_:) ⓘ
mapError(_:) ⓘ
introducedInVersion Swift 5.0 ⓘ
language Swift ⓘ
namespace global Swift namespace ⓘ
oftenUsedWith completion handlers in networking APIs ⓘ
throwing functions converted to Result ⓘ
patternMatchedWith switch statements ⓘ
primaryPurpose represent success or failure of an operation ⓘ
successCaseRepresents a successfully produced value ⓘ
supports composing multiple fallible operations ⓘ
transforming failure values ⓘ
transforming success values ⓘ
typicalUsagePattern handle success and failure via switch on Result value ⓘ
return Result<Success, Failure> from functions instead of throwing ⓘ
usedFor asynchronous completion handlers ⓘ
error handling ⓘ
error propagation ⓘ
functional-style error handling ⓘ

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.