// `#caller_location` (ERR step E4.1b). As a parameter's default value it
// resolves to a `Source_Location` of the CALL site — file, line:col, and the
// enclosing function — rather than the callee's signature. Explicitly
// forwarding a `Source_Location` through an inner call preserves the outermost
// site (so a logging wrapper reports where IT was called). Expected exit: 0.

#import "modules/std.sx";

note :: (loc: Source_Location = #caller_location) {
    print("note from {} (line {})\n", loc.func, loc.line);
}

// Forwards its own caller location through to `note`.
wrap :: (loc: Source_Location = #caller_location) {
    note(loc);
}

main :: () -> i32 {
    note();              // call site → func main
    wrap();              // forwarded → still reports this line in main
    return 0;
}