Sendable conformances.

Package.swift

@@ -1,12 +1,12 @@
-// swift-tools-version:5.3
+// swift-tools-version: 5.10
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
 
 let package = Package(
 	name: "Sio",
 	platforms: [
-		.macOS(.v10_11), .iOS(.v10), .tvOS(.v10)
+		.macOS(.v10_11), .iOS(.v13), .tvOS(.v13)
 	],
 	products: [
 		// Products define the executables and libraries produced by a package, and make them visible to other packages.

Sources/Sio/Application.swift

@@ -7,6 +7,7 @@
 
 import Foundation
 
+@Sendable
 public func |> <A, B>(_ a: A, _ f: (A) throws -> B) rethrows -> B {
 	return try f(a)
 }
@@ -17,6 +18,7 @@ public func |> <A, B>(_ a: A, _ f: (A) throws -> B) rethrows -> B {
 ///   - a: A mutable value.
 ///   - f: An in-out function.
 /// - Note: This function is commonly seen in operator form as "pipe-forward", `|>`.
+@Sendable
 public func |> <A>(_ a: inout A, _ f: (inout A) throws -> Void) rethrows {
 	try f(&a)
 }

Sources/Sio/Either.swift

@@ -161,3 +161,5 @@ extension Either where A == B {
 		bimap(f, f)
 	}
 }
+
+extension Either: Sendable where A: Sendable, B: Sendable {}

Sources/Sio/Prelude.swift

@@ -9,21 +9,25 @@
 import Foundation
 
 @inlinable
+@Sendable
 public func id<a>(_ a: a) -> a {
 	a
 }
 
 @inlinable
+@Sendable
 public func absurd<A>(_ n: Never) -> A {}
 
 @inlinable
+@Sendable
 public func discard<A, B>(_ f: @escaping (A) -> B) -> (A) -> Void {
 	{ a in
 		_ = f(a)
 	}
 }
 
 @inlinable
+@Sendable
 public func const<A, B>(_ b: B) -> (_ a: A) -> B {
 	{ _ in b }
 }

Sources/Sio/SIO+Async.swift

@@ -0,0 +1,15 @@
+import Foundation
+
+extension SIO where R == Void, E: Error {
+	public var await: A {
+		get async throws {
+			try await withCheckedThrowingContinuation { continuation in
+				self.fork { error in
+					continuation.resume(throwing: error)
+				} _: { value in
+					continuation.resume(returning: value)
+				}
+			}
+		}
+	}
+}

Sources/Sio/Seconds.swift

@@ -7,7 +7,7 @@
 
 import Foundation
 
-public struct Seconds<T: Numeric>: RawRepresentable {
+public struct Seconds<T: Numeric & Sendable>: RawRepresentable, Sendable {
 	public var rawValue: T
 
 	public init(rawValue: T) {