fix some unused pattern binding warnings

4 files changed, 6 insertions, 6 deletions

diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index 0b6c2ea5a99..a66b37b49bd 100644
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -211,7 +211,7 @@ fn expand_item_mac(exts: hashmap<~str, syntax_extension>,
                                                span: expand.span}}));
             let maybe_it = match expanded {
               mr_item(it) => fld.fold_item(it),
-              mr_expr(e) => cx.span_fatal(pth.span,
+              mr_expr(_) => cx.span_fatal(pth.span,
                                          ~"expr macro in item position: " +
                                          *extname),
               mr_def(mdef) => {
diff --git a/src/libsyntax/ext/pipes/pipec.rs b/src/libsyntax/ext/pipes/pipec.rs
index 315d02eadd3..1c501120c06 100644
--- a/src/libsyntax/ext/pipes/pipec.rs
+++ b/src/libsyntax/ext/pipes/pipec.rs
@@ -41,7 +41,7 @@ impl message: gen_send {
     fn gen_send(cx: ext_ctxt, try: bool) -> @ast::item {
         debug!("pipec: gen_send");
         match self {
-          message(id, span, tys, this,
+          message(_id, span, tys, this,
                   some({state: next, tys: next_tys})) => {
             debug!("pipec: next state exists");
             let next = this.proto.get_state(next);
@@ -126,7 +126,7 @@ impl message: gen_send {
                             cx.expr_block(body))
           }
 
-            message(id, span, tys, this, none) => {
+            message(_id, span, tys, this, none) => {
                 debug!("pipec: no next state");
                 let arg_names = tys.mapi(|i, _ty| (~"x_" + i.to_str()));
 
diff --git a/src/libsyntax/ext/simplext.rs b/src/libsyntax/ext/simplext.rs
index 586a428c1d7..6a9507f5ce3 100644
--- a/src/libsyntax/ext/simplext.rs
+++ b/src/libsyntax/ext/simplext.rs
@@ -635,7 +635,7 @@ fn add_new_extension(cx: ext_ctxt, sp: span, arg: ast::mac_arg,
     let mut clauses: ~[@clause] = ~[];
     for args.each |arg| {
         match arg.node {
-          expr_vec(elts, mutbl) => {
+          expr_vec(elts, _) => {
             if vec::len(elts) != 2u {
                 cx.span_fatal((*arg).span,
                               ~"extension clause must consist of ~[" +
diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/tt/macro_rules.rs
index be7594ff843..77e0970d423 100644
--- a/src/libsyntax/ext/tt/macro_rules.rs
+++ b/src/libsyntax/ext/tt/macro_rules.rs
@@ -42,11 +42,11 @@ fn add_new_extension(cx: ext_ctxt, sp: span, name: ident,
 
     // Extract the arguments:
     let lhses:~[@named_match] = match argument_map.get(lhs_nm) {
-      @matched_seq(s, sp) => s,
+      @matched_seq(s, _) => s,
       _ => cx.span_bug(sp, ~"wrong-structured lhs")
     };
     let rhses:~[@named_match] = match argument_map.get(rhs_nm) {
-      @matched_seq(s, sp) => s,
+      @matched_seq(s, _) => s,
       _ => cx.span_bug(sp, ~"wrong-structured rhs")
     };