Zig meta proposed on matrix channel not working.

.gitignore

@@ -1,5 +1,8 @@
 output-vagrant
 *~
+*.old
+*.old.*
+*.bak
 .git
 .vagrant
 .secret

2024/10/golang_webserver_demo1/main.go

@@ -26,10 +26,10 @@ func main() {
 			return
 		}
 
-		for i := 0; i < len(dirs); i++ {
+    for _, dir := range dirs {
 			m := make(map[string]string)
-			m["name"] = dirs[i].Name()
+			m["name"] = dir.Name()
-			if dirs[i].IsDir() {
+			if dir.IsDir() {
 				m["dir"] = "yes"
 			} else {
 				m["dir"] = "no"

current/algorithms/callingc_zig/build.zig

@@ -4,7 +4,7 @@ pub fn build(b: *std.Build) void {
     const exe = b.addExecutable(.{
         .name = "callingc",
         .root_source_file = b.path("src/callingc.zig"),
-        .target = b.host,
+        .target = b.graph.host,
         .optimize = b.standardOptimizeOption(.{}),
     });
     exe.addIncludePath(b.path("c-src"));

current/algorithms/callingc_zig/meta.patch

@@ -0,0 +1,30 @@
+diff --git a/current/algorithms/callingc_zig/src/callingc.zig b/current/algorithms/callingc_zig/src/callingc.zig
+index 0619cef..14ed5ff 100644
+--- a/current/algorithms/callingc_zig/src/callingc.zig
++++ b/current/algorithms/callingc_zig/src/callingc.zig
+@@ -4,6 +4,15 @@ const callingc = @cImport({
+     @cInclude("callingc.h");
+ });
+ 
++const ErrorType = struct { name: []const u8, line: u32, pos: u32 };
++
++pub fn dump_error_type(w: anytype) !void {
++    for (@typeInfo(ErrorType).@"struct".fields) |field| {
++        try w.print("Field name \n" ++ field.name);
++    }
++    try w.print("Started dumping error\n", .{});
++}
++
+ pub fn main() !void {
+     const stdout_file = std.io.getStdOut().writer();
+     var bw = std.io.bufferedWriter(stdout_file);
+@@ -12,5 +21,9 @@ pub fn main() !void {
+     const c = callingc.add_numbers(3, 4);
+ 
+     try stdout.print("Hello World {d}!!\n", .{c});
++    // const ename = "Ala";
++    // const err: ErrorType = .{ .name = ename, .line = 123, .pos = 43 };
++    // dump_error(stdout, err);
++    try dump_error_type(stdout);
+     try bw.flush();
+ }