diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 455a451e7..98a6848d2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,9 +32,9 @@ jobs:
           gmake -C vendor/miniaudio/src
           ./odin check examples/all -vet -strict-style -disallow-do -target:netbsd_amd64
           ./odin check examples/all -vet -strict-style -disallow-do -target:netbsd_arm64
-          ./odin test tests/core/normal.odin -file -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
-          ./odin test tests/core/speed.odin -file -all-packages -o:speed -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
-          ./odin test tests/vendor -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+          ./odin test tests/core/normal.odin -file -all-packages -disallow-do  -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+          ./odin test tests/core/speed.odin -file -all-packages -disallow-do  -o:speed -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+          ./odin test tests/vendor -all-packages -disallow-do  -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
           (cd tests/issues; ./run.sh)
   build_freebsd:
     name: FreeBSD Build, Check, and Test
@@ -60,9 +60,9 @@ jobs:
           gmake -C vendor/cgltf/src
           gmake -C vendor/miniaudio/src
           ./odin check examples/all -vet -strict-style -disallow-do -target:freebsd_amd64
-          ./odin test tests/core/normal.odin -file -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
-          ./odin test tests/core/speed.odin -file -all-packages -o:speed -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
-          ./odin test tests/vendor -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+          ./odin test tests/core/normal.odin -file -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+          ./odin test tests/core/speed.odin -file -all-packages -disallow-do -o:speed -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+          ./odin test tests/vendor -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
           (cd tests/issues; ./run.sh)
   ci:
     strategy:
@@ -116,13 +116,13 @@ jobs:
       - name: Odin check examples/all
         run: ./odin check examples/all -strict-style
       - name: Normal Core library tests
-        run: ./odin test tests/core/normal.odin -file -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+        run: ./odin test tests/core/normal.odin -file -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
       - name: Optimized Core library tests
-        run: ./odin test tests/core/speed.odin -o:speed -file -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+        run: ./odin test tests/core/speed.odin -o:speed -file -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
       - name: Vendor library tests
-        run: ./odin test tests/vendor -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+        run: ./odin test tests/vendor -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
       - name: Internals tests
-        run: ./odin test tests/internal -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+        run: ./odin test tests/internal -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
       - name: GitHub Issue tests
         run: |
           cd tests/issues
@@ -176,33 +176,33 @@ jobs:
         shell: cmd
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
-          odin run examples/demo -debug
+          odin run examples/demo -debug -disallow-do
       - name: Odin check examples/all
         shell: cmd
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
-          odin check examples/all -strict-style
+          odin check examples/all -strict-style -disallow-do
       - name: Core library tests
         shell: cmd
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
-          odin test tests/core/normal.odin -file -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+          odin test tests/core/normal.odin -file -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
       - name: Optimized core library tests
         shell: cmd
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
-          odin test tests/core/speed.odin -o:speed -file -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+          odin test tests/core/speed.odin -o:speed -file -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
       - name: Vendor library tests
         shell: cmd
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
           copy vendor\lua\5.4\windows\*.dll .
-          odin test tests/vendor -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+          odin test tests/vendor -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
       - name: Odin internals tests
         shell: cmd
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
-          odin test tests/internal -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
+          odin test tests/internal -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true
       - name: Odin documentation tests
         shell: cmd
         run: |
@@ -257,16 +257,16 @@ jobs:
         run: sudo apt-get install -y qemu-user qemu-user-static gcc-12-riscv64-linux-gnu libc6-riscv64-cross
 
       - name: Odin run
-        run: ./odin run examples/demo -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static"
+        run: ./odin run examples/demo -disallow-do -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static"
 
       - name: Odin run -debug
-        run: ./odin run examples/demo -debug -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static"
+        run: ./odin run examples/demo -debug -disallow-do -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static"
 
       - name: Normal Core library tests
-        run: ./odin test tests/core/normal.odin -file -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static"
+        run: ./odin test tests/core/normal.odin -file -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static"
 
       - name: Optimized Core library tests
-        run: ./odin test tests/core/speed.odin -o:speed -file -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static"
+        run: ./odin test tests/core/speed.odin -o:speed -file -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static"
 
       - name: Internals tests
-        run: ./odin test tests/internal -all-packages -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static"
+        run: ./odin test tests/internal -all-packages -disallow-do -define:ODIN_TEST_FANCY=false -define:ODIN_TEST_FAIL_ON_BAD_MEMORY=true -target:linux_riscv64 -extra-linker-flags:"-fuse-ld=/usr/bin/riscv64-linux-gnu-gcc-12 -static -Wl,-static"