Use #fileID instead of #file (#70)

Author: ra1028

Sources/Atoms/Core/SourceLocation.swift

@@ -1,4 +1,9 @@
 internal struct SourceLocation: Equatable {
     let fileID: String
     let line: UInt
+
+    init(fileID: String = #fileID, line: UInt = #line) {
+        self.fileID = fileID
+        self.line = line
+    }
 }

Tests/AtomsTests/Core/StoreContextTests.swift

@@ -108,7 +108,7 @@ final class StoreContextTests: XCTestCase {
         store.state.caches[key] = AtomCache(atom: atom, value: 0)
         store.state.states[key] = AtomState(coordinator: atom.makeCoordinator())
         store.state.subscriptions[key, default: [:]][subscriptionKey] = Subscription(
-            location: SourceLocation(fileID: #file, line: #line),
+            location: SourceLocation(),
             requiresObjectUpdate: false,
             notifyUpdate: { updateCount += 1 },
             unsubscribe: {}
@@ -147,7 +147,7 @@ final class StoreContextTests: XCTestCase {
         store.state.caches[key] = AtomCache(atom: atom, value: 0)
         store.state.states[key] = AtomState(coordinator: atom.makeCoordinator())
         store.state.subscriptions[key, default: [:]][subscriptionKey] = Subscription(
-            location: SourceLocation(fileID: #file, line: #line),
+            location: SourceLocation(),
             requiresObjectUpdate: false,
             notifyUpdate: { updateCount += 1 },
             unsubscribe: {}
@@ -303,7 +303,7 @@ final class StoreContextTests: XCTestCase {
             key0: AtomCache(atom: atom0, value: 0),
             key1: AtomCache(atom: atom1, value: 1),
         ]
-        let subscription = Subscription(location: SourceLocation(fileID: #file, line: #line), requiresObjectUpdate: false, notifyUpdate: {}) {}
+        let subscription = Subscription(location: SourceLocation(), requiresObjectUpdate: false, notifyUpdate: {}) {}
 
         store.graph = graph
         store.state.caches = caches
@@ -836,7 +836,7 @@ final class StoreContextTests: XCTestCase {
         let atom0 = TestAtom(value: 0)
         let atom1 = TestAtom(value: 1)
         let atom2 = TestAtom(value: 2)
-        let location = SourceLocation(fileID: #file, line: #line)
+        let location = SourceLocation()
         let token = SubscriptionKey.Token()
         let subscriptionKey = SubscriptionKey(token: token)
 

Tests/AtomsTests/Core/SubscriptionContainerTests.swift

@@ -8,7 +8,7 @@ final class SubscriptionContainerTests: XCTestCase {
         var container: SubscriptionContainer? = SubscriptionContainer()
         var unsubscribedCount = 0
         let subscription = Subscription(
-            location: SourceLocation(fileID: #file, line: #line),
+            location: SourceLocation(),
             requiresObjectUpdate: false,
             notifyUpdate: {}
         ) {
@@ -28,7 +28,7 @@ final class SubscriptionContainerTests: XCTestCase {
     }
 
     func testWrapper() {
-        let location = SourceLocation(fileID: #file, line: #line)
+        let location = SourceLocation()
         let container0 = SubscriptionContainer()
         let container1 = container0
         let container2 = SubscriptionContainer()

Tests/AtomsTests/Utilities/Util.swift

@@ -65,7 +65,7 @@ extension AtomKey {
 
 extension SubscriptionContainer {
     var wrapper: Wrapper {
-        let location = SourceLocation(fileID: #fileID, line: #line)
+        let location = SourceLocation()
         return wrapper(location: location)
     }
 }