Instance Methodswift-package-manager 6.0.3Basics
emit(error:metadata:underlyingError:)
Observability.swift:176func emit(error message: String, metadata: ObservabilityMetadata? = .none, underlyingError: Error? = .none) func emit(error message: String, metadata: ObservabilityMetadata? = .none, underlyingError: Error? = .none) s6Basics26DiagnosticsEmitterProtocolPAAE4emit5error8metadata15underlyingErrorySS_AA21ObservabilityMetadataVSgs0I0_pSgtF What are these?8JJ4Yimport Basicsprotocol DiagnosticsEmitterProtocol@frozen struct StringA Unicode string value that is a collection of characters.
struct ObservabilityMetadataProvides type-safe access to the ObservabilityMetadata’s values. This API should ONLY be used inside of accessor implementations.
protocol Error : SendableA type representing an error value that can be thrown.
func emit(_ diagnostics: [Diagnostic]) func emit(_ error: Error, metadata: ObservabilityMetadata? = .none) func emit(debug message: String, metadata: ObservabilityMetadata? = .none, underlyingError: Error? = .none) func emit(debug message: CustomStringConvertible, metadata: ObservabilityMetadata? = .none, underlyingError: Error? = .none) func emit(error message: CustomStringConvertible, metadata: ObservabilityMetadata? = .none, underlyingError: Error? = .none) func emit(info message: String, metadata: ObservabilityMetadata? = .none, underlyingError: Error? = .none) func emit(info message: CustomStringConvertible, metadata: ObservabilityMetadata? = .none, underlyingError: Error? = .none) func emit(severity: Diagnostic.Severity, message: String, metadata: ObservabilityMetadata? = .none) func emit(warning message: String, metadata: ObservabilityMetadata? = .none, underlyingError: Error? = .none) func emit(warning message: CustomStringConvertible, metadata: ObservabilityMetadata? = .none, underlyingError: Error? = .none) @discardableResult func trap(_ closure: () throws -> Void) -> Bool trap a throwing closure, emitting diagnostics on error and returning boolean representing success
func trap<T>(_ closure: () throws -> T) -> T? trap a throwing closure, emitting diagnostics on error and returning the value returned by the closure