slice.zig

export const cstring = packed struct {  
  ptr: [*c]u8, 
  len: usize,
  fn init(slice: []const u8) cstring { 
    return cstring{ 
      .ptr = slice.ptr, 
      .len = slice.len 
    }; 
  }
};

export fn hello() cstring  {
  var h = "<div>Hello Brian</div>";
  return cstring.init(h);
}

cd src && zig build-exe main.zig --release-fast -target wasm32-freestanding-none
/home/bketelsen/projects/zig/zig-wasm-test/src/main.zig:19:23: error: expected type '[]u8', found '[22]u8'
  return cstring.init(h);