fix ci

Signed-off-by: Ignacio Hagopian <jsign.uy@gmail.com>

.github/workflows/ci.yml

@@ -2,47 +2,46 @@ name: Lint and test
 
 on:
   push:
-    branches: [ main ]
-  pull_request:    
+    branches: [main]
+  pull_request:
   workflow_dispatch:
 
 jobs:
-
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+      - uses: actions/checkout@v2
 
-    - name: Set up Zig
-      uses: korandoru/setup-zig@v1
-      with:
-        zig-version: 0.11.0
+      - name: Set up Zig
+        uses: korandoru/setup-zig@v1
+        with:
+          zig-version: 0.12.0
 
-    - name: Build
-      run: zig build
+      - name: Build
+        run: zig build
 
   lint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+      - uses: actions/checkout@v2
 
-    - name: Set up Zig
-      uses: korandoru/setup-zig@v1
-      with:
-        zig-version: 0.11.0
+      - name: Set up Zig
+        uses: korandoru/setup-zig@v1
+        with:
+          zig-version: 0.12.0
 
-    - name: Lint
-      run: zig fmt --check src/*.zig
+      - name: Lint
+        run: zig fmt --check src/*.zig
 
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+      - uses: actions/checkout@v2
 
-    - name: Set up Zig
-      uses: korandoru/setup-zig@v1
-      with:
-        zig-version: 0.11.0
+      - name: Set up Zig
+        uses: korandoru/setup-zig@v1
+        with:
+          zig-version: 0.12.0
 
-    - name: Test
-      run: zig build test
+      - name: Test
+        run: zig build test

src/main.zig

@@ -18,7 +18,7 @@ pub fn main() !void {
 
         var frs: [w]Fr.NonMontgomeryDomainFieldElement = undefined;
         for (0..w, 0..) |v, i| {
-            std.mem.writeIntLittle(u256, &buf, v);
+            std.mem.writeInt(u256, &buf, v, .little);
             var nonMont: Fr.NonMontgomeryDomainFieldElement = undefined;
             Fr.fromBytes(&nonMont, buf);
             Fr.toMontgomery(&frs[i], nonMont);