From 22e35ce2d0a54bdbed53204df1323e6c7e14dfcd Mon Sep 17 00:00:00 2001
From: Kamil Strzelecki <strzeleckikamil.developer@gmail.com>
Date: Mon, 28 Apr 2025 14:21:08 +0200
Subject: [PATCH 01/10] -

---
 .spi.yml | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 .spi.yml

diff --git a/.spi.yml b/.spi.yml
new file mode 100644
index 0000000..775dd8a
--- /dev/null
+++ b/.spi.yml
@@ -0,0 +1,7 @@
+version: 1
+builder:
+  configs:
+    - documentation_targets:
+      - Principle
+      - PrincipleConcurrency
+      - PrincipleCollections

From 060eb73411d82f1dad94b1a51516b69a318d1f35 Mon Sep 17 00:00:00 2001
From: Kamil Strzelecki <strzeleckikamil.developer@gmail.com>
Date: Mon, 28 Apr 2025 14:26:57 +0200
Subject: [PATCH 02/10] -

---
 .github/workflows/pull-request.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 041d95b..39631c8 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -105,7 +105,7 @@ jobs:
       if: ${{ matrix.platform == 'macos' }}
       run: |
         set -o pipefail
-        swift test | xcbeautify --renderer github-actions
+        swift test --enable-code-coverage | xcbeautify --renderer github-actions
     - name: Test (Xcode)
       if: ${{ matrix.platform != 'macos' }}
       run: |
@@ -114,3 +114,7 @@ jobs:
           -scheme ${{ needs.prepare.outputs.scheme }} \
           -destination "${{ steps.destination.outputs.destination }}" | \
           xcbeautify --renderer github-actions
+      
+    - name: Check coverage
+      if: ${{ matrix.platform == 'macos' }}
+      uses: codecov/codecov-action@v5
\ No newline at end of file

From 8847ee843b20401da08fd28ff0b72fabedcc1664 Mon Sep 17 00:00:00 2001
From: Kamil Strzelecki <strzeleckikamil.developer@gmail.com>
Date: Mon, 28 Apr 2025 14:34:31 +0200
Subject: [PATCH 03/10] -

---
 .github/workflows/pull-request.yml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 39631c8..f47ad64 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -115,6 +115,9 @@ jobs:
           -destination "${{ steps.destination.outputs.destination }}" | \
           xcbeautify --renderer github-actions
       
-    - name: Check coverage
+    - name: Check coverage (SPM)
       if: ${{ matrix.platform == 'macos' }}
-      uses: codecov/codecov-action@v5
\ No newline at end of file
+      uses: codecov/codecov-action@v5
+      with:
+        files: .build/debug/codecov/*.profraw
+        fail_ci_if_error: true
\ No newline at end of file

From 714abdc2f91a8a30550a5f329ba04a30a3dc9d6e Mon Sep 17 00:00:00 2001
From: Kamil Strzelecki <strzeleckikamil.developer@gmail.com>
Date: Mon, 28 Apr 2025 14:48:04 +0200
Subject: [PATCH 04/10] -

---
 .github/workflows/pull-request.yml | 10 ++++++++--
 .github/workflows/release.yml      |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index f47ad64..4d69fd2 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -1,5 +1,12 @@
 name: Pull request
-on: pull_request
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize, ready_for_review]  
+  
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 env:
   XCODE_VERSION: "16.3"
@@ -119,5 +126,4 @@ jobs:
       if: ${{ matrix.platform == 'macos' }}
       uses: codecov/codecov-action@v5
       with:
-        files: .build/debug/codecov/*.profraw
         fail_ci_if_error: true
\ No newline at end of file
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bce3182..d109093 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,4 +1,5 @@
 name: Release
+
 on:
   push:
     tags:

From 69cd43da86ba7a52b1797a798a8832fda204d86c Mon Sep 17 00:00:00 2001
From: Kamil Strzelecki <strzeleckikamil.developer@gmail.com>
Date: Mon, 28 Apr 2025 14:51:16 +0200
Subject: [PATCH 05/10] -

---
 .github/workflows/pull-request.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 4d69fd2..783ff11 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -113,6 +113,8 @@ jobs:
       run: |
         set -o pipefail
         swift test --enable-code-coverage | xcbeautify --renderer github-actions
+        xcrun llvm-cov report $BUILD_FOLDER -instr-profile $PROFDATA_FOLDER
+        xcrun llvm-cov export -format="lcov" $BUILD_FOLDER -instr-profile $PROFDATA_FOLDER > $LCOV_PATH
     - name: Test (Xcode)
       if: ${{ matrix.platform != 'macos' }}
       run: |

From cc473a6d4816fe7965c824a9a9373b25aae105a6 Mon Sep 17 00:00:00 2001
From: Kamil Strzelecki <strzeleckikamil.developer@gmail.com>
Date: Mon, 28 Apr 2025 15:08:21 +0200
Subject: [PATCH 06/10] -

---
 .github/workflows/pull-request.yml | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 783ff11..755a7e7 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -3,7 +3,7 @@ name: Pull request
 on:
   pull_request:
     types: [opened, reopened, synchronize, ready_for_review]  
-  
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
@@ -99,6 +99,7 @@ jobs:
     - name: Build (SPM)
       if: ${{ matrix.platform == 'macos' }}
       run: swift build
+
     - name: Build (Xcode)
       if: ${{ matrix.platform != 'macos' }}
       run: |
@@ -113,8 +114,15 @@ jobs:
       run: |
         set -o pipefail
         swift test --enable-code-coverage | xcbeautify --renderer github-actions
-        xcrun llvm-cov report $BUILD_FOLDER -instr-profile $PROFDATA_FOLDER
-        xcrun llvm-cov export -format="lcov" $BUILD_FOLDER -instr-profile $PROFDATA_FOLDER > $LCOV_PATH
+        TEST_BUNDLE=$(find .build/debug -name "*.xctest" | head -n 1)
+        TEST_EXECUTABLE="$TEST_BUNDLE/Contents/MacOS/$(basename "$TEST_BUNDLE" .xctest)"
+        llvm-profdata merge -sparse .build/debug/codecov/*.profraw \
+          -o coverage.profdata
+        llvm-cov export \
+          "$TEST_EXECUTABLE" \
+          -instr-profile=coverage.profdata \
+          -format=lcov > coverage/lcov.info
+
     - name: Test (Xcode)
       if: ${{ matrix.platform != 'macos' }}
       run: |
@@ -123,7 +131,7 @@ jobs:
           -scheme ${{ needs.prepare.outputs.scheme }} \
           -destination "${{ steps.destination.outputs.destination }}" | \
           xcbeautify --renderer github-actions
-      
+
     - name: Check coverage (SPM)
       if: ${{ matrix.platform == 'macos' }}
       uses: codecov/codecov-action@v5

From 998af0bb07d840d10ca99e6d512bc69a539f6e8a Mon Sep 17 00:00:00 2001
From: Kamil Strzelecki <strzeleckikamil.developer@gmail.com>
Date: Mon, 28 Apr 2025 15:11:05 +0200
Subject: [PATCH 07/10] -

---
 .github/workflows/pull-request.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 755a7e7..9c46693 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -116,9 +116,10 @@ jobs:
         swift test --enable-code-coverage | xcbeautify --renderer github-actions
         TEST_BUNDLE=$(find .build/debug -name "*.xctest" | head -n 1)
         TEST_EXECUTABLE="$TEST_BUNDLE/Contents/MacOS/$(basename "$TEST_BUNDLE" .xctest)"
-        llvm-profdata merge -sparse .build/debug/codecov/*.profraw \
+        xcrun llvm-profdata merge -sparse \
+          .build/debug/codecov/*.profraw \
           -o coverage.profdata
-        llvm-cov export \
+        xcrun llvm-cov export \
           "$TEST_EXECUTABLE" \
           -instr-profile=coverage.profdata \
           -format=lcov > coverage/lcov.info

From d49c1569206b12a0d498e52803afa73d8ac08e51 Mon Sep 17 00:00:00 2001
From: Kamil Strzelecki <strzeleckikamil.developer@gmail.com>
Date: Mon, 28 Apr 2025 15:24:01 +0200
Subject: [PATCH 08/10] -

---
 .github/workflows/pull-request.yml | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 9c46693..94ae9e5 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -114,15 +114,11 @@ jobs:
       run: |
         set -o pipefail
         swift test --enable-code-coverage | xcbeautify --renderer github-actions
-        TEST_BUNDLE=$(find .build/debug -name "*.xctest" | head -n 1)
+        TEST_BUNDLE=$(find .build/debug/ -name "*.xctest" | head -n 1)
         TEST_EXECUTABLE="$TEST_BUNDLE/Contents/MacOS/$(basename "$TEST_BUNDLE" .xctest)"
-        xcrun llvm-profdata merge -sparse \
-          .build/debug/codecov/*.profraw \
-          -o coverage.profdata
-        xcrun llvm-cov export \
-          "$TEST_EXECUTABLE" \
-          -instr-profile=coverage.profdata \
-          -format=lcov > coverage/lcov.info
+        xcrun llvm-cov export -format="lcov" \
+          -instr-profile .build/debug/codecov/default.profdata \
+          "$TEST_EXECUTABLE" > info.lcov
 
     - name: Test (Xcode)
       if: ${{ matrix.platform != 'macos' }}

From e48a57cd4504129f128b0f314a261dc48312336b Mon Sep 17 00:00:00 2001
From: Kamil Strzelecki <strzeleckikamil.developer@gmail.com>
Date: Mon, 28 Apr 2025 15:34:28 +0200
Subject: [PATCH 09/10] -

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 45d1775..d8dc9d4 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Principle
 
 ![Swift](https://img.shields.io/badge/Swift-6.0-EF5239?logo=swift&labelColor=white)
+[![Codecov](https://codecov.io/gh/NSFatalError/Principle/graph/badge.svg?token=ITK16CK7NL)](https://codecov.io/gh/NSFatalError/Principle)
 
 Essential tools that extend the capabilities of Swift Standard Library.
 

From d844249fc4c6146eb53cebe012729d7c4f3d81db Mon Sep 17 00:00:00 2001
From: Kamil Strzelecki <strzeleckikamil.developer@gmail.com>
Date: Mon, 28 Apr 2025 15:59:22 +0200
Subject: [PATCH 10/10] Added SingleUseTransferTests

---
 .../SingleUseTransferTests.swift              | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Tests/PrincipleConcurrencyTests/SingleUseTransferTests.swift

diff --git a/Tests/PrincipleConcurrencyTests/SingleUseTransferTests.swift b/Tests/PrincipleConcurrencyTests/SingleUseTransferTests.swift
new file mode 100644
index 0000000..214d5ef
--- /dev/null
+++ b/Tests/PrincipleConcurrencyTests/SingleUseTransferTests.swift
@@ -0,0 +1,44 @@
+//
+//  SingleUseTransferTests.swift
+//  Principle
+//
+//  Created by Kamil Strzelecki on 28/04/2025.
+//  Copyright © 2025 Kamil Strzelecki. All rights reserved.
+//
+
+@testable import PrincipleConcurrency
+import Synchronization
+import Testing
+
+internal struct SingleUseTransferTests {
+
+    @Test
+    func testFinalize() {
+        let mutex = Mutex(NonSendable())
+        let instance = NonSendable()
+        var transfer = SingleUseTransfer(instance)
+
+        mutex.withLock { protected in
+            protected = transfer.finalize()
+        }
+    }
+
+    @Test
+    func testTake() async {
+        let instance = NonSendable()
+        var transfer = SingleUseTransfer(instance)
+
+        await withTaskGroup { group in
+            var transfer = transfer.take()
+            group.addTask {
+                _ = transfer.finalize()
+            }
+            await group.waitForAll()
+        }
+    }
+}
+
+extension SingleUseTransferTests {
+
+    private final class NonSendable {}
+}