update ci.yml and be more explicit in .nimble (#30)

* update ci.yml and be more explicit in .nimble

* import results: get rid of the deprecated warning

.github/workflows/ci.yml

@@ -22,21 +22,29 @@ jobs:
             cpu: i386
           - os: macos
             cpu: amd64
+          - os: macos
+            cpu: arm64
           - os: windows
             cpu: amd64
         branch: [version-1-6, version-2-0, devel]
         include:
           - target:
               os: linux
-            builder: ubuntu-20.04
+            builder: ubuntu-latest
             shell: bash
           - target:
               os: macos
-            builder: macos-12
+              cpu: amd64
+            builder: macos-13
+            shell: bash
+          - target:
+              os: macos
+              cpu: arm64
+            builder: macos-latest
             shell: bash
           - target:
               os: windows
-            builder: windows-2019
+            builder: windows-latest
             shell: msys2 {0}
 
     defaults:
@@ -48,7 +56,7 @@ jobs:
     continue-on-error: ${{ matrix.branch == 'devel' }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -96,7 +104,7 @@ jobs:
       - name: Restore Nim DLLs dependencies (Windows) from cache
         if: runner.os == 'Windows'
         id: windows-dlls-cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: external/dlls-${{ matrix.target.cpu }}
           key: 'dlls-${{ matrix.target.cpu }}'
@@ -120,6 +128,8 @@ jobs:
         run: |
           if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
             PLATFORM=x64
+          elif [[ '${{ matrix.target.cpu }}' == 'arm64' ]]; then
+            PLATFORM=arm64
           else
             PLATFORM=x86
           fi

snappy.nim

@@ -1,7 +1,8 @@
 {.push raises: [].}
 
 import
-  stew/[arrayops, endians2, leb128, results],
+  stew/[arrayops, endians2, leb128],
+  results,
   ./snappy/[codec, decoder, encoder]
 
 export codec, results

snappy.nimble

@@ -10,6 +10,7 @@ skipDirs      = @["tests"]
 requires "nim >= 1.6.0",
          "faststreams",
          "unittest2",
+         "results",
          "stew"
 
 let nimc = getEnv("NIMC", "nim") # Which nim compiler to use
@@ -31,9 +32,9 @@ proc build(args, path: string) =
   exec nimc & " " & lang & " " & cfg & " " & flags & " " & args & " " & path
 
 proc run(args, path: string) =
-  build args & " -r", path
+  build args & " --mm:refc -r", path
   if (NimMajor, NimMinor) > (1, 6):
-    build args & " --mm:refc -r", path
+    build args & " --mm:orc -r", path
 
 ### Helper functions
 proc test(args, path: string) =

snappy/codec.nim

@@ -1,7 +1,8 @@
 {.push raises: [].}
 
 import
-  stew/[endians2, leb128, results]
+  results,
+  stew/[endians2, leb128]
 
 export endians2, leb128, results