diff options
| -rw-r--r-- | src/libsyntax/ext/expand.rs | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs index b2ebe0e0145..6c22fe4c8bc 100644 --- a/src/libsyntax/ext/expand.rs +++ b/src/libsyntax/ext/expand.rs @@ -272,11 +272,9 @@ fn expand_mac_invoc<T: MacroGenerable>(mac: ast::Mac, span: Span, fld: &mut Macr let parsed = match opt_parsed { Some(e) => e, None => { - fld.cx.span_err( - pth.span, - &format!("non-expression macro in expression position: {}", - extname - )); + let msg = format!("non-{kind} macro in {kind} position: {name}", + name = extname, kind = T::kind_name()); + fld.cx.span_err(pth.span, &msg); return None; } }; |