// that, otherwise we'll fall back to boxed closures.
match expected_sig_and_kind {
None => { // don't have information about the kind, request explicit annotation
- // HACK We still need to typeck the body, so assume `FnMut` kind just for that
+ // NB We still need to typeck the body, so assume `FnMut` kind just for that
let kind = ty::FnMutUnboxedClosureKind;
check_unboxed_closure(fcx, expr, kind, decl, body, None);
fcx.ccx.tcx.sess.span_err(
expr.span,
- "Can't infer the \"kind\" of the closure, explicitly annotate it. e.g. \
+ "can't infer the \"kind\" of the closure, explicitly annotate it. e.g. \
`|&:| {}`");
},
Some((sig, kind)) => {