- bumped swift-tools to 5.8.

- Adjusted CI to drop swift version less than 5.8
- run `swiftformat` locally

Author: 3a4oT

.github/workflows/build.yml

@@ -61,7 +61,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        swift: ["5.7", "5.8", "5.9", "5.10"]
+        swift: ["5.8", "5.9", "5.10"]
     steps:
     - uses: swift-actions/setup-swift@v2
       with:
@@ -70,17 +70,3 @@ jobs:
     - name: Test
       run: swift test --parallel
 
-  # Swift versions older than 5.7 don't have builds for 22.04. https://www.swift.org/download/ 
-  backcompat-ubuntu-20_04:
-    name: Test Swift ${{ matrix.swift }} on Ubuntu 20.04
-    runs-on: ubuntu-20.04
-    strategy:
-      matrix:
-        swift: ["5.4", "5.5", "5.6"]
-    steps:
-    - uses: swift-actions/setup-swift@v2
-      with:
-        swift-version: ${{ matrix.swift }}
-    - uses: actions/checkout@v3
-    - name: Test
-      run: swift test --parallel

Package.resolved

@@ -1,4 +1,4 @@
-// swift-tools-version:5.4
+// swift-tools-version:5.8
 import PackageDescription
 
 let package = Package(

Package.swift

@@ -279,137 +279,133 @@ public func graphqlSubscribe(
 
 // MARK: Async/Await
 
-#if compiler(>=5.5) && canImport(_Concurrency)
-
-    @available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
-    /// This is the primary entry point function for fulfilling GraphQL operations
-    /// by parsing, validating, and executing a GraphQL document along side a
-    /// GraphQL schema.
-    ///
-    /// More sophisticated GraphQL servers, such as those which persist queries,
-    /// may wish to separate the validation and execution phases to a static time
-    /// tooling step, and a server runtime step.
-    ///
-    /// - parameter queryStrategy:        The field execution strategy to use for query requests
-    /// - parameter mutationStrategy:     The field execution strategy to use for mutation requests
-    /// - parameter subscriptionStrategy: The field execution strategy to use for subscription
-    /// requests
-    /// - parameter instrumentation:      The instrumentation implementation to call during the
-    /// parsing, validating, execution, and field resolution stages.
-    /// - parameter schema:               The GraphQL type system to use when validating and
-    /// executing a query.
-    /// - parameter request:              A GraphQL language formatted string representing the
-    /// requested operation.
-    /// - parameter rootValue:            The value provided as the first argument to resolver
-    /// functions on the top level type (e.g. the query object type).
-    /// - parameter contextValue:         A context value provided to all resolver functions
-    /// functions
-    /// - parameter variableValues:       A mapping of variable name to runtime value to use for all
-    /// variables defined in the `request`.
-    /// - parameter operationName:        The name of the operation to use if `request` contains
-    /// multiple possible operations. Can be omitted if `request` contains only one operation.
-    ///
-    /// - throws: throws GraphQLError if an error occurs while parsing the `request`.
-    ///
-    /// - returns: returns a `Map` dictionary containing the result of the query inside the key
-    /// `data` and any validation or execution errors inside the key `errors`. The value of `data`
-    /// might be `null` if, for example, the query is invalid. It's possible to have both `data` and
-    /// `errors` if an error occurs only in a specific field. If that happens the value of that
-    /// field will be `null` and there will be an error inside `errors` specifying the reason for
-    /// the failure and the path of the failed field.
-    public func graphql(
-        queryStrategy: QueryFieldExecutionStrategy = SerialFieldExecutionStrategy(),
-        mutationStrategy: MutationFieldExecutionStrategy = SerialFieldExecutionStrategy(),
-        subscriptionStrategy: SubscriptionFieldExecutionStrategy = SerialFieldExecutionStrategy(),
-        instrumentation: Instrumentation = NoOpInstrumentation,
-        schema: GraphQLSchema,
-        request: String,
-        rootValue: Any = (),
-        context: Any = (),
-        eventLoopGroup: EventLoopGroup,
-        variableValues: [String: Map] = [:],
-        operationName: String? = nil
-    ) async throws -> GraphQLResult {
-        return try await graphql(
-            queryStrategy: queryStrategy,
-            mutationStrategy: mutationStrategy,
-            subscriptionStrategy: subscriptionStrategy,
-            instrumentation: instrumentation,
-            schema: schema,
-            request: request,
-            rootValue: rootValue,
-            context: context,
-            eventLoopGroup: eventLoopGroup,
-            variableValues: variableValues,
-            operationName: operationName
-        ).get()
-    }
-
-    @available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
-    /// This is the primary entry point function for fulfilling GraphQL subscription
-    /// operations by parsing, validating, and executing a GraphQL subscription
-    /// document along side a GraphQL schema.
-    ///
-    /// More sophisticated GraphQL servers, such as those which persist queries,
-    /// may wish to separate the validation and execution phases to a static time
-    /// tooling step, and a server runtime step.
-    ///
-    /// - parameter queryStrategy:        The field execution strategy to use for query requests
-    /// - parameter mutationStrategy:     The field execution strategy to use for mutation requests
-    /// - parameter subscriptionStrategy: The field execution strategy to use for subscription
-    /// requests
-    /// - parameter instrumentation:      The instrumentation implementation to call during the
-    /// parsing, validating, execution, and field resolution stages.
-    /// - parameter schema:               The GraphQL type system to use when validating and
-    /// executing a query.
-    /// - parameter request:              A GraphQL language formatted string representing the
-    /// requested operation.
-    /// - parameter rootValue:            The value provided as the first argument to resolver
-    /// functions on the top level type (e.g. the query object type).
-    /// - parameter contextValue:         A context value provided to all resolver functions
-    /// - parameter variableValues:       A mapping of variable name to runtime value to use for all
-    /// variables defined in the `request`.
-    /// - parameter operationName:        The name of the operation to use if `request` contains
-    /// multiple possible operations. Can be omitted if `request` contains only one operation.
-    ///
-    /// - throws: throws GraphQLError if an error occurs while parsing the `request`.
-    ///
-    /// - returns: returns a SubscriptionResult containing the subscription observable inside the
-    /// key `observable` and any validation or execution errors inside the key `errors`. The
-    /// value of `observable` might be `null` if, for example, the query is invalid. It's not
-    /// possible to have both `observable` and `errors`. The observable payloads are
-    /// GraphQLResults which contain the result of the query inside the key `data` and any
-    /// validation or execution errors inside the key `errors`. The value of `data` might be `null`.
-    /// It's possible to have both `data` and `errors` if an error occurs only in a specific field.
-    /// If that happens the value of that field will be `null` and there
-    /// will be an error inside `errors` specifying the reason for the failure and the path of the
-    /// failed field.
-    public func graphqlSubscribe(
-        queryStrategy: QueryFieldExecutionStrategy = SerialFieldExecutionStrategy(),
-        mutationStrategy: MutationFieldExecutionStrategy = SerialFieldExecutionStrategy(),
-        subscriptionStrategy: SubscriptionFieldExecutionStrategy = SerialFieldExecutionStrategy(),
-        instrumentation: Instrumentation = NoOpInstrumentation,
-        schema: GraphQLSchema,
-        request: String,
-        rootValue: Any = (),
-        context: Any = (),
-        eventLoopGroup: EventLoopGroup,
-        variableValues: [String: Map] = [:],
-        operationName: String? = nil
-    ) async throws -> SubscriptionResult {
-        return try await graphqlSubscribe(
-            queryStrategy: queryStrategy,
-            mutationStrategy: mutationStrategy,
-            subscriptionStrategy: subscriptionStrategy,
-            instrumentation: instrumentation,
-            schema: schema,
-            request: request,
-            rootValue: rootValue,
-            context: context,
-            eventLoopGroup: eventLoopGroup,
-            variableValues: variableValues,
-            operationName: operationName
-        ).get()
-    }
+@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
+/// This is the primary entry point function for fulfilling GraphQL operations
+/// by parsing, validating, and executing a GraphQL document along side a
+/// GraphQL schema.
+///
+/// More sophisticated GraphQL servers, such as those which persist queries,
+/// may wish to separate the validation and execution phases to a static time
+/// tooling step, and a server runtime step.
+///
+/// - parameter queryStrategy:        The field execution strategy to use for query requests
+/// - parameter mutationStrategy:     The field execution strategy to use for mutation requests
+/// - parameter subscriptionStrategy: The field execution strategy to use for subscription
+/// requests
+/// - parameter instrumentation:      The instrumentation implementation to call during the
+/// parsing, validating, execution, and field resolution stages.
+/// - parameter schema:               The GraphQL type system to use when validating and
+/// executing a query.
+/// - parameter request:              A GraphQL language formatted string representing the
+/// requested operation.
+/// - parameter rootValue:            The value provided as the first argument to resolver
+/// functions on the top level type (e.g. the query object type).
+/// - parameter contextValue:         A context value provided to all resolver functions
+/// functions
+/// - parameter variableValues:       A mapping of variable name to runtime value to use for all
+/// variables defined in the `request`.
+/// - parameter operationName:        The name of the operation to use if `request` contains
+/// multiple possible operations. Can be omitted if `request` contains only one operation.
+///
+/// - throws: throws GraphQLError if an error occurs while parsing the `request`.
+///
+/// - returns: returns a `Map` dictionary containing the result of the query inside the key
+/// `data` and any validation or execution errors inside the key `errors`. The value of `data`
+/// might be `null` if, for example, the query is invalid. It's possible to have both `data` and
+/// `errors` if an error occurs only in a specific field. If that happens the value of that
+/// field will be `null` and there will be an error inside `errors` specifying the reason for
+/// the failure and the path of the failed field.
+public func graphql(
+    queryStrategy: QueryFieldExecutionStrategy = SerialFieldExecutionStrategy(),
+    mutationStrategy: MutationFieldExecutionStrategy = SerialFieldExecutionStrategy(),
+    subscriptionStrategy: SubscriptionFieldExecutionStrategy = SerialFieldExecutionStrategy(),
+    instrumentation: Instrumentation = NoOpInstrumentation,
+    schema: GraphQLSchema,
+    request: String,
+    rootValue: Any = (),
+    context: Any = (),
+    eventLoopGroup: EventLoopGroup,
+    variableValues: [String: Map] = [:],
+    operationName: String? = nil
+) async throws -> GraphQLResult {
+    return try await graphql(
+        queryStrategy: queryStrategy,
+        mutationStrategy: mutationStrategy,
+        subscriptionStrategy: subscriptionStrategy,
+        instrumentation: instrumentation,
+        schema: schema,
+        request: request,
+        rootValue: rootValue,
+        context: context,
+        eventLoopGroup: eventLoopGroup,
+        variableValues: variableValues,
+        operationName: operationName
+    ).get()
+}
 
-#endif
+@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
+/// This is the primary entry point function for fulfilling GraphQL subscription
+/// operations by parsing, validating, and executing a GraphQL subscription
+/// document along side a GraphQL schema.
+///
+/// More sophisticated GraphQL servers, such as those which persist queries,
+/// may wish to separate the validation and execution phases to a static time
+/// tooling step, and a server runtime step.
+///
+/// - parameter queryStrategy:        The field execution strategy to use for query requests
+/// - parameter mutationStrategy:     The field execution strategy to use for mutation requests
+/// - parameter subscriptionStrategy: The field execution strategy to use for subscription
+/// requests
+/// - parameter instrumentation:      The instrumentation implementation to call during the
+/// parsing, validating, execution, and field resolution stages.
+/// - parameter schema:               The GraphQL type system to use when validating and
+/// executing a query.
+/// - parameter request:              A GraphQL language formatted string representing the
+/// requested operation.
+/// - parameter rootValue:            The value provided as the first argument to resolver
+/// functions on the top level type (e.g. the query object type).
+/// - parameter contextValue:         A context value provided to all resolver functions
+/// - parameter variableValues:       A mapping of variable name to runtime value to use for all
+/// variables defined in the `request`.
+/// - parameter operationName:        The name of the operation to use if `request` contains
+/// multiple possible operations. Can be omitted if `request` contains only one operation.
+///
+/// - throws: throws GraphQLError if an error occurs while parsing the `request`.
+///
+/// - returns: returns a SubscriptionResult containing the subscription observable inside the
+/// key `observable` and any validation or execution errors inside the key `errors`. The
+/// value of `observable` might be `null` if, for example, the query is invalid. It's not
+/// possible to have both `observable` and `errors`. The observable payloads are
+/// GraphQLResults which contain the result of the query inside the key `data` and any
+/// validation or execution errors inside the key `errors`. The value of `data` might be `null`.
+/// It's possible to have both `data` and `errors` if an error occurs only in a specific field.
+/// If that happens the value of that field will be `null` and there
+/// will be an error inside `errors` specifying the reason for the failure and the path of the
+/// failed field.
+public func graphqlSubscribe(
+    queryStrategy: QueryFieldExecutionStrategy = SerialFieldExecutionStrategy(),
+    mutationStrategy: MutationFieldExecutionStrategy = SerialFieldExecutionStrategy(),
+    subscriptionStrategy: SubscriptionFieldExecutionStrategy = SerialFieldExecutionStrategy(),
+    instrumentation: Instrumentation = NoOpInstrumentation,
+    schema: GraphQLSchema,
+    request: String,
+    rootValue: Any = (),
+    context: Any = (),
+    eventLoopGroup: EventLoopGroup,
+    variableValues: [String: Map] = [:],
+    operationName: String? = nil
+) async throws -> SubscriptionResult {
+    return try await graphqlSubscribe(
+        queryStrategy: queryStrategy,
+        mutationStrategy: mutationStrategy,
+        subscriptionStrategy: subscriptionStrategy,
+        instrumentation: instrumentation,
+        schema: schema,
+        request: request,
+        rootValue: rootValue,
+        context: context,
+        eventLoopGroup: eventLoopGroup,
+        variableValues: variableValues,
+        operationName: operationName
+    ).get()
+}