update to Zig 0.16.0

Author: Techatrix

README.md

@@ -11,8 +11,7 @@ Currently implemented:
 ## Installation
 
 > [!NOTE]
-> The minimum supported Zig version is `0.16.0-dev.2510+bcb5218a2`.
-> Consider using previous commits when targeting older Zig version like `0.15.2`.
+> The default branch requires Zig `0.16.0` or later.
 
 ```bash
 # Initialize a `zig build` project if you haven't already

build.zig

@@ -1,20 +1,20 @@
 const std = @import("std");
 const builtin = @import("builtin");
 
-const minimum_zig_version = std.SemanticVersion.parse("0.14.0") catch unreachable;
+const minimum_zig_version = std.SemanticVersion.parse(@import("build.zig.zon").minimum_zig_version) catch unreachable;
 
 pub fn build(b: *std.Build) void {
-    if (comptime (builtin.zig_version.order(minimum_zig_version) == .lt)) {
+    comptime if (builtin.zig_version.order(minimum_zig_version) == .lt) {
         @compileError(std.fmt.comptimePrint(
             \\Your Zig version does not meet the minimum build requirement:
-            \\  required Zig version: {[minimum_zig_version]}
-            \\  actual   Zig version: {[current_version]}
+            \\  required Zig version: {[minimum_zig_version]f}
+            \\  actual   Zig version: {[current_version]f}
             \\
         , .{
             .current_version = builtin.zig_version,
             .minimum_zig_version = minimum_zig_version,
         }));
-    }
+    };
 
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});

build.zig.zon

@@ -1,7 +1,7 @@
 .{
     .name = .diffz,
     .version = "0.0.1",
-    .minimum_zig_version = "0.16.0-dev.2510+bcb5218a2",
+    .minimum_zig_version = "0.16.0",
     .paths = .{
         "DiffMatchPatch.zig",
         "LICENSE",