// Phase 3 (xx-via-Into): a user-defined `impl Into(Target) for Source`
// reaches the xx operator through compile-time dispatch. The compiler
// monomorphises `convert` for the (Source, Target) pair and emits a
// direct call — no vtable, identical to a hand-written call.

#import "modules/std.sx";

MyString :: struct { tag: s64 = 0; }

impl Into(MyString) for s64 {
  convert :: (self: s64) -> MyString {
    .{ tag = self }
  }
}

main :: () -> s32 {
  x : MyString = xx 42;
  print("tag = {}\n", x.tag);
  0
}