// `xx <closure>` passed as a `*Block` fn argument auto-allocates the
// Block instance and passes its address — no named temp required.
// Matches the ergonomics of ObjC's `^{...}` literal at the call site.

#import "modules/std.sx";
#import "modules/ffi/objc_block.sx";

invoke_once :: (b: *Block) {
  invoke_fn : (*Block) -> void callconv(.c) = xx b.invoke;
  invoke_fn(b);
}

main :: () -> s32 {
  x : s64 = 7;
  invoke_once(xx () => {
    print("inline block, x = {}\n", x);
  });
  0
}