ci: add github actions config

.github/workflows/main.yml

@@ -0,0 +1,40 @@
+name: Nightly
+
+on:
+  push:
+    paths:
+      - "**.zig"
+    branches:
+      - main
+  schedule:
+    - cron: "0 0 * * *"
+  workflow_dispatch:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: goto-bus-stop/setup-zig@v2
+        with:
+          version: master
+      - uses: actions/checkout@v3
+      - run: zig fmt src/*.zig
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{matrix.os}}
+    steps:
+      - uses: goto-bus-stop/setup-zig@v2
+        with:
+          version: master
+      - uses: actions/checkout@v3
+      - run: zig build test
+  bench:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: goto-bus-stop/setup-zig@v2
+        with:
+          version: master
+      - uses: actions/checkout@v3
+      - run: zig build -Doptimize=ReleaseFast -Dcpu=baseline bench

build.zig.zon

@@ -1,5 +1,5 @@
 .{
-	.name = "hamt",
-	.version = "0.1.0",
-	.dependencies = .{},
+    .name = "hamt",
+    .version = "0.1.0",
+    .dependencies = .{},
 }

src/bench.zig

@@ -18,7 +18,7 @@ const StringHashMap = std.hash_map.StringHashMap(void);
 
 pub fn main() !void {
     var gpa = std.heap.GeneralPurposeAllocator(.{}){};
-    defer std.debug.assert(!gpa.deinit());
+    defer std.debug.assert(gpa.deinit() == .ok);
 
     const allocator = gpa.allocator();
     const elem_count = 1000;

src/trie.zig

@@ -15,7 +15,7 @@ pub fn HashArrayMappedTrie(comptime K: type, comptime V: type, comptime Context:
 
         const Digest = Context.Digest; // as in Hash Code or Hash Digest
         const table_size = @typeInfo(Digest).Int.bits;
-        const t = @intCast(Log2Int(Digest), @typeInfo(Log2Int(Digest)).Int.bits);
+        const t: Log2Int(Digest) = @intCast(@typeInfo(Log2Int(Digest).Int.bits));
 
         free_list: FreeList,
         root: []?*Node,
@@ -37,7 +37,7 @@ pub fn HashArrayMappedTrie(comptime K: type, comptime V: type, comptime Context:
                 pub fn deinit(self: *const FreeList.Node, allocator: Allocator, len: usize) void {
                     switch (len) {
                         0 => unreachable,
-                        1 => allocator.destroy(@ptrCast(*Self.Node, self.inner)),
+                        1 => allocator.destroy(@as(*Self.Node, @ptrCast(self.inner))),
                         else => allocator.free(self.inner[0..len]),
                     }
                 }
@@ -45,7 +45,7 @@ pub fn HashArrayMappedTrie(comptime K: type, comptime V: type, comptime Context:
 
             pub fn init(allocator: Allocator) !FreeList {
                 const list = try allocator.create([table_size]?FreeList.Node);
-                std.mem.set(?FreeList.Node, list, null);
+                @memset(list, null);
 
                 return .{ .list = list };
             }
@@ -114,7 +114,7 @@ pub fn HashArrayMappedTrie(comptime K: type, comptime V: type, comptime Context:
             }
 
             pub fn create(self: *FreeList, allocator: Allocator, comptime T: type) !*T {
-                return @ptrCast(*T, try self.alloc(allocator, T, 1));
+                return @ptrCast(try self.alloc(allocator, T, 1));
             }
 
             /// Free'd nodes aren't deallocated, but instead are tracked by a free list where they
@@ -140,14 +140,14 @@ pub fn HashArrayMappedTrie(comptime K: type, comptime V: type, comptime Context:
             }
 
             pub fn destroy(self: *FreeList, allocator: Allocator, node: *Self.Node) !void {
-                self.free(allocator, @ptrCast([*]Self.Node, node)[0..1]);
+                self.free(allocator, @as([*]Self.Node, @ptrCast(node))[0..1]);
             }
         };
 
         pub fn init(allocator: Allocator) !Self {
             // TODO: Add ability to have a larger root node (for quicker lookup times)
             const root = try allocator.alloc(?*Node, table_size);
-            std.mem.set(?*Node, root, null);
+            @memset(root, null);
 
             return Self{ .root = root, .free_list = try FreeList.init(allocator) };
         }
@@ -182,9 +182,9 @@ pub fn HashArrayMappedTrie(comptime K: type, comptime V: type, comptime Context:
         }
 
         fn tableIdx(hash: Digest, offset: u16) Log2Int(Digest) {
-            const shift_amt = @intCast(Log2Int(Digest), table_size - offset);
+            const shift_amt: Log2Int(Digest) = @intCast(table_size - offset);
 
-            return @truncate(Log2Int(Digest), hash >> shift_amt);
+            return @truncate(hash >> shift_amt);
         }
 
         pub fn search(self: *Self, key: K) ?Pair {
@@ -243,7 +243,7 @@ pub fn HashArrayMappedTrie(comptime K: type, comptime V: type, comptime Context:
 
                             var i: Log2Int(Digest) = 0;
                             for (0..table_size) |shift| {
-                                const mask_loop = @as(Digest, 1) << @intCast(Log2Int(Digest), shift);
+                                const mask_loop = @as(Digest, 1) << @as(Log2Int(Digest), @intCast(shift));
 
                                 if (new_map & mask_loop != 0) {
                                     defer i += 1;
@@ -287,7 +287,7 @@ pub fn HashArrayMappedTrie(comptime K: type, comptime V: type, comptime Context:
                                 const copied_pair = try self.free_list.create(allocator, Node);
                                 copied_pair.* = .{ .kv = prev_pair };
 
-                                current.* = .{ .table = .{ .map = mask, .base = @ptrCast([*]Node, copied_pair) } };
+                                current.* = .{ .table = .{ .map = mask, .base = @as([*]Node, @ptrCast(copied_pair)) } };
                             },
                         }
                     },