Merge pull request #22 from Sashiri/builtin_migration

Migrate from std.builtin to @import("builtin")

zig-ecs/build.zig

@@ -6,7 +6,7 @@ pub fn build(b: *Builder) void {
     const build_mode = b.standardReleaseOptions();
 
     // use a different cache folder for macos arm builds
-    b.cache_root = if (std.builtin.os.tag == .macos and std.builtin.arch == std.builtin.Arch.aarch64) "zig-arm-cache" else "zig-cache";
+    b.cache_root = if (builtin.os.tag == .macos and builtin.arch == builtin.Arch.aarch64) "zig-arm-cache" else "zig-cache";
 
     const examples = [_][2][]const u8{
         [_][]const u8{ "view_vs_group", "examples/view_vs_group.zig" },

zig-ecs/src/ecs/groups.zig

@@ -1,4 +1,5 @@
 const std = @import("std");
+const builtin = @import("builtin");
 const utils = @import("utils.zig");
 
 const Registry = @import("registry.zig").Registry;
@@ -156,7 +157,7 @@ pub const OwningGroup = struct {
     }
 
     fn validate(self: OwningGroup, comptime Components: anytype) void {
-        if (std.builtin.mode == .Debug and self.group_data.owned.len > 0) {
+        if (builtin.mode == .Debug and self.group_data.owned.len > 0) {
             std.debug.assert(@typeInfo(Components) == .Struct);
 
             inline for (@typeInfo(Components).Struct.fields) |field| {

zig-ecs/src/ecs/registry.zig

@@ -1,4 +1,5 @@
 const std = @import("std");
+const builtin = @import("builtin");
 const assert = std.debug.assert;
 const utils = @import("utils.zig");
 
@@ -506,7 +507,7 @@ pub const Registry = struct {
         var new_group_data = GroupData.initPtr(self.allocator, self, hash, owned_arr[0..], includes_arr[0..], excludes_arr[0..]);
 
         // before adding the group we need to do some checks to make sure there arent other owning groups with the same types
-        if (std.builtin.mode == .Debug and owned.len > 0) {
+        if (builtin.mode == .Debug and owned.len > 0) {
             for (self.groups.items) |grp| {
                 if (grp.owned.len == 0) continue;