formatting and review followup

Author: ktoso

Sources/InMemoryTracing/InMemorySpanContext.swift

@@ -45,6 +45,6 @@ extension ServiceContext {
     }
 }
 
-struct InMemorySpanContextKey: ServiceContextKey {
+private struct InMemorySpanContextKey: ServiceContextKey {
     typealias Value = InMemorySpanContext
 }

Sources/InMemoryTracing/InMemoryTracer.swift

@@ -114,7 +114,7 @@ extension InMemoryTracer {
 
 extension InMemoryTracer {
 
-    /// Array of active spans, i.e. spans which have been started by have not yet finished (by calling `Span/end()`).
+    /// Array of active spans, i.e. spans which have been started but have not yet finished (by calling `Span/end()`).
     public var activeSpans: [InMemorySpan] {
         _activeSpans.withValue { active in Array(active.values) }
     }
@@ -152,10 +152,13 @@ extension InMemoryTracer {
     }
 
     /// Clears all registered finished spans, as well as injections/extractions performed by this tracer.
-    public func clearAll() {
+    public func clearAll(includingActive: Bool = false) {
         _finishedSpans.withValue { $0 = [] }
         _injections.withValue { $0 = [] }
         _extractions.withValue { $0 = [] }
+        if includingActive { 
+            _activeSpans.withValue { $0 = [] }
+        }
     }
 }
 
@@ -240,7 +243,7 @@ extension InMemoryTracer {
         /// The carrier object from which the context values were extracted from,
         /// e.g. this frequently is an HTTP request or similar.
         public let carrier: any Sendable
-        /// The constructed service context, containing the extracted ``ServiceContext/inMemoryTraceContext``.
+        /// The constructed service context, containing the extracted ``ServiceContext/inMemorySpanContext``.
         public let context: ServiceContext
     }
 }

Tests/InMemoryTracingTests/InMemoryTracerTests.swift

@@ -417,7 +417,7 @@ private struct UnrelatedContextKey: ServiceContextKey {
     typealias Value = Int
 }
 
-final class MockClock {
+private final class MockClock {
     var _now: UInt64 = 0
 
     init() {}