From 6f3e6a5db7f5d7b839396784c1acf09f327cbc90 Mon Sep 17 00:00:00 2001
From: John Wellbelove <john.wellbelove@etlcpp.com>
Date: Mon, 4 Sep 2023 09:15:43 +0100
Subject: [PATCH] MacOS clang span issue

---
 .github/workflows/clang-syntax-checks.yml | 331 ----------------------
 .github/workflows/gcc-syntax-checks.yml   | 331 ----------------------
 .github/workflows/gcc.yml                 | 162 -----------
 .github/workflows/msvc.yml                |  95 -------
 include/etl/span.h                        |   6 +-
 5 files changed, 3 insertions(+), 922 deletions(-)

diff --git a/.github/workflows/clang-syntax-checks.yml b/.github/workflows/clang-syntax-checks.yml
index be626cb6f..e69de29bb 100644
--- a/.github/workflows/clang-syntax-checks.yml
+++ b/.github/workflows/clang-syntax-checks.yml
@@ -1,331 +0,0 @@
-name: clang syntax checks
-on:
-  push:
-    branches: [ master, development ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build-clang-cpp03-linux-STL:
-    name: Clang C++03 Linux STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++03
-        clang --version
-        make
-
-  build-clang-cpp03-linux-No-STL:
-    name: Clang C++03 Linux No STL 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++03
-        clang --version
-        make
-
-  build-clang-cpp11-linux-STL:
-    name: Clang C++11 Linux STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++11
-        clang --version
-        make
-
-  build-clang-cpp11-linux-No-STL:
-    name: Clang C++11 Linux No STL 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++11
-        clang --version
-        make
-
-  build-clang-cpp11-linux-STL-Force-CPP03:
-    name: Clang C++11 Linux STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++11
-        clang --version
-        make
-
-  build-clang-cpp11-linux-No-STL-Force-CPP03:
-    name: Clang C++11 Linux No STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++11
-        clang --version
-        make
-
-  build-clang-cpp14-linux-STL:
-    name: Clang C++14 Linux STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++14
-        clang --version
-        make
-
-  build-clang-cpp14-linux-No-STL:
-    name: Clang C++14 Linux No STL 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++14
-        clang --version
-        make
-
-  build-clang-cpp14-linux-STL-Force-CPP03:
-    name: Clang C++14 Linux STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++14
-        clang --version
-        make
-
-  build-clang-cpp14-linux-No-STL-Force-CPP03:
-    name: Clang C++14 Linux No STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++14
-        clang --version
-        make
-
-  build-clang-cpp17-linux-STL:
-    name: Clang C++17 Linux STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++17
-        clang --version
-        make
-
-  build-clang-cpp17-linux-No-STL:
-    name: Clang C++17 Linux No STL 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++17
-        clang --version
-        make
-
-  build-clang-cpp17-linux-STL-Force-CPP03:
-    name: Clang C++17 Linux STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++17
-        clang --version
-        make
-
-  build-clang-cpp17-linux-No-STL-Force-CPP03:
-    name: Clang C++17 Linux No STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++17
-        clang --version
-        make
-
-  build-clang-cpp20-linux-STL:
-    name: Clang C++20 Linux STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++20
-        clang --version
-        make
-
-  build-clang-cpp20-linux-No-STL:
-    name: Clang C++20 Linux No STL 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++20
-        clang --version
-        make
-
-  build-clang-cpp20-linux-STL-Force-CPP03:
-    name: Clang C++20 Linux STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++20
-        clang --version
-        make
-
-  build-clang-cpp20-linux-No-STL-Force-CPP03:
-    name: Clang C++20 Linux No STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++20
-        clang --version
-        make
diff --git a/.github/workflows/gcc-syntax-checks.yml b/.github/workflows/gcc-syntax-checks.yml
index 3e5aad947..e69de29bb 100644
--- a/.github/workflows/gcc-syntax-checks.yml
+++ b/.github/workflows/gcc-syntax-checks.yml
@@ -1,331 +0,0 @@
-name: gcc syntax checks
-on:
-  push:
-    branches: [ master, development ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build-gcc-cpp03-linux-STL:
-    name: GCC C++03 Linux STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++03
-        gcc --version
-        make
-
-  build-gcc-cpp03-linux-No-STL:
-    name: GCC C++03 Linux No STL 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++03
-        gcc --version
-        make
-
-  build-gcc-cpp11-linux-STL:
-    name: GCC C++11 Linux STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++11
-        gcc --version
-        make
-
-  build-gcc-cpp11-linux-No-STL:
-    name: GCC C++11 Linux No STL 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++11
-        gcc --version
-        make
-
-  build-gcc-cpp11-linux-STL-Force-CPP03:
-    name: GCC C++11 Linux STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++11
-        gcc --version
-        make
-
-  build-gcc-cpp11-linux-No-STL-Force-CPP03:
-    name: GCC C++11 Linux No STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++11
-        gcc --version
-        make
-
-  build-gcc-cpp14-linux-STL:
-    name: GCC C++14 Linux STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++14
-        gcc --version
-        make
-
-  build-gcc-cpp14-linux-No-STL:
-    name: GCC C++14 Linux No STL 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++14
-        gcc --version
-        make
-
-  build-gcc-cpp14-linux-STL-Force-CPP03:
-    name: GCC C++14 Linux STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++14
-        gcc --version
-        make
-
-  build-gcc-cpp14-linux-No-STL-Force-CPP03:
-    name: GCC C++14 Linux No STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++14
-        gcc --version
-        make
-
-  build-gcc-cpp17-linux-STL:
-    name: GCC C++17 Linux STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++17
-        gcc --version
-        make
-
-  build-gcc-cpp17-linux-No-STL:
-    name: GCC C++17 Linux No STL 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++17
-        gcc --version
-        make
-
-  build-gcc-cpp17-linux-STL-Force-CPP03:
-    name: GCC C++17 Linux STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++17
-        gcc --version
-        make
-
-  build-gcc-cpp17-linux-No-STL-Force-CPP03:
-    name: GCC C++17 Linux No STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++17
-        gcc --version
-        make
-
-  build-gcc-cpp20-linux-STL:
-    name: GCC C++20 Linux STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++20
-        gcc --version
-        make
-
-  build-gcc-cpp20-linux-No-STL:
-    name: GCC C++20 Linux No STL 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=OFF ./test/syntax_check/c++20
-        gcc --version
-        make
-
-  build-gcc-cpp20-linux-STL-Force-CPP03:
-    name: GCC C++20 Linux STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++20
-        gcc --version
-        make
-
-  build-gcc-cpp20-linux-No-STL-Force-CPP03:
-    name: GCC C++20 Linux No STL Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export CC=gcc
-        export CXX=g++
-        cmake -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03_IMPLEMENTATION=ON ./test/syntax_check/c++20
-        gcc --version
-        make
\ No newline at end of file
diff --git a/.github/workflows/gcc.yml b/.github/workflows/gcc.yml
index 9ee4b568a..e69de29bb 100644
--- a/.github/workflows/gcc.yml
+++ b/.github/workflows/gcc.yml
@@ -1,162 +0,0 @@
-name: gcc
-on:
-  push:
-    branches: [ master, development ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build-gcc-cpp11-linux-stl:
-    name: GCC C++11 Linux - STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        git fetch
-        export ASAN_OPTIONS=alloc_dealloc_mismatch=0,detect_leaks=0
-        export CC=gcc
-        export CXX=g++
-        cmake -DBUILD_TESTS=ON -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=OFF -DETL_CXX_STANDARD=11 ./
-        gcc --version
-        make
-    
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-gcc-cpp14-linux-stl:
-    name: GCC C++14 Linux - STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export ASAN_OPTIONS=alloc_dealloc_mismatch=0,detect_leaks=0
-        export CC=gcc
-        export CXX=g++
-        cmake -DBUILD_TESTS=ON -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=OFF -DETL_CXX_STANDARD=14 ./
-        gcc --version
-        make
-    
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-gcc-cpp17-linux-stl:
-    name: GCC C++17 Linux - STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export ASAN_OPTIONS=alloc_dealloc_mismatch=0,detect_leaks=0
-        export CC=gcc
-        export CXX=g++
-        cmake -DBUILD_TESTS=ON -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=OFF -DETL_CXX_STANDARD=17 ./
-        gcc --version
-        make
-    
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-gcc-cpp20-linux-stl:
-    name: GCC C++20 Linux - STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export ASAN_OPTIONS=alloc_dealloc_mismatch=0,detect_leaks=0
-        export CC=gcc
-        export CXX=g++
-        cmake -DBUILD_TESTS=ON -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=OFF -DETL_CXX_STANDARD=20 ./
-        gcc --version
-        make
-    
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-gcc-cpp20-linux-no-stl:
-    name: GCC C++20 Linux - No STL
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export ASAN_OPTIONS=alloc_dealloc_mismatch=0,detect_leaks=0
-        export CC=gcc
-        export CXX=g++
-        cmake -DBUILD_TESTS=ON -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=OFF -DETL_CXX_STANDARD=20 ./
-        gcc --version
-        make
-    
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-gcc-cpp20-linux-stl-force-cpp03:
-    name: GCC C++20 Linux - STL - Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export ASAN_OPTIONS=alloc_dealloc_mismatch=0,detect_leaks=0
-        export CC=gcc
-        export CXX=g++
-        cmake -DBUILD_TESTS=ON -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=ON -DETL_CXX_STANDARD=20 ./
-        gcc --version
-        make
-
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-gcc-cpp20-linux-no-stl-force-cpp03:
-    name: GCC C++20 Linux - No STL - Force C++03
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-22.04]
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Build
-      run: |
-        export ASAN_OPTIONS=alloc_dealloc_mismatch=0,detect_leaks=0
-        export CC=gcc
-        export CXX=g++
-        cmake -DBUILD_TESTS=ON -DNO_STL=OON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=ON -DETL_CXX_STANDARD=20 ./
-        gcc --version
-        make
-    
-    - name: Run tests
-      run: ./test/etl_tests
\ No newline at end of file
diff --git a/.github/workflows/msvc.yml b/.github/workflows/msvc.yml
index cdeff8358..e69de29bb 100644
--- a/.github/workflows/msvc.yml
+++ b/.github/workflows/msvc.yml
@@ -1,95 +0,0 @@
-name: msvc
-on:
-  push:
-    branches: [ master, development ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build-windows-msvc-stl:
-    name: Windows - STL
-    runs-on: [windows-2022]
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v3
-      with:
-        submodules: recursive
-
-    - name: Add msbuild to PATH
-      uses: microsoft/setup-msbuild@v1.0.2
-
-    - name: Build
-      run: |
-        cmake -G "Visual Studio 17 2022" -AWin32 -DBUILD_TESTS=ON -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=OFF -DETL_CXX_STANDARD=20 ./
-        MSBuild.exe -version
-        MSBuild.exe .\etl.sln
-        
-    - name: Run tests
-      run: test/Debug/etl_tests.exe
-
-  build-windows-msvc-no-stl:
-    name: Windows - No STL
-    runs-on: [windows-2022]
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v3
-      with:
-        submodules: recursive
-
-    - name: Add msbuild to PATH
-      uses: microsoft/setup-msbuild@v1.0.2
-
-    - name: Build
-      run: |
-        cmake -G "Visual Studio 17 2022" -AWin32 -DBUILD_TESTS=ON -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=OFF -DETL_CXX_STANDARD=17 ./
-        MSBuild.exe -version
-        MSBuild.exe .\etl.sln
-        
-    - name: Run tests
-      run: test/Debug/etl_tests.exe
-
-  build-windows-msvc-stl-force-cpp03:
-    name: Windows - STL - Force C++03
-    runs-on: [windows-2022]
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v3
-      with:
-        submodules: recursive
-
-    - name: Add msbuild to PATH
-      uses: microsoft/setup-msbuild@v1.0.2
-
-    - name: Build
-      run: |
-        cmake -G "Visual Studio 17 2022" -AWin32 -DBUILD_TESTS=ON -DNO_STL=OFF -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=ON -DETL_CXX_STANDARD=17 ./
-        MSBuild.exe -version
-        MSBuild.exe .\etl.sln
-
-    - name: Run tests
-      run: test/Debug/etl_tests.exe
-        
-  build-windows-msvc-no-stl-force-cpp03:
-    name: Windows - No STL - Force C++03
-    runs-on: [windows-2022]
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v3
-      with:
-        submodules: recursive
-
-    - name: Add msbuild to PATH
-      uses: microsoft/setup-msbuild@v1.0.2
-
-    - name: Build
-      run: |
-        cmake -G "Visual Studio 17 2022" -AWin32 -DBUILD_TESTS=ON -DNO_STL=ON -DETL_USE_TYPE_TRAITS_BUILTINS=OFF -DETL_USER_DEFINED_TYPE_TRAITS=OFF -DETL_FORCE_TEST_CPP03=ON -DETL_CXX_STANDARD=17 ./
-        MSBuild.exe -version
-        MSBuild.exe .\etl.sln
-
-    - name: Run tests
-      run: test/Debug/etl_tests.exe
-
diff --git a/include/etl/span.h b/include/etl/span.h
index a0004c418..c8ce27e17 100644
--- a/include/etl/span.h
+++ b/include/etl/span.h
@@ -365,7 +365,7 @@ namespace etl
     //*************************************************************************
     /// Conversion operator to std::span
     //*************************************************************************
-    ETL_NODISCARD ETL_CONSTEXPR operator etl::span<element_type, Extent>()
+    ETL_NODISCARD ETL_CONSTEXPR operator std::span<element_type, Extent>()
     {
       return std::span<element_type, Extent>(pbegin, Extent);
     }
@@ -697,9 +697,9 @@ namespace etl
     //*************************************************************************
     /// Conversion operator to std::span
     //*************************************************************************
-    ETL_NODISCARD ETL_CONSTEXPR operator etl::span<element_type, etl::dynamic_extent>()
+    ETL_NODISCARD ETL_CONSTEXPR operator etl::span<element_type, std::dynamic_extent>()
     {
-      return std::span<element_type, etl::dynamic_extent>(pbegin, etl::dynamic_extent);
+      return std::span<element_type, std::dynamic_extent>(pbegin, std::dynamic_extent);
     }
 #endif