2 files changed, 6 insertions, 9 deletions
diff --git a/src/librustc/hir/print.rs b/src/librustc/hir/print.rs
index d5137191462..f58981f616d 100644
--- a/src/librustc/hir/print.rs
+++ b/src/librustc/hir/print.rs
@@ -1462,13 +1462,12 @@ impl<'a> State<'a> {
                 self.pclose()?;
             }
             hir::ExprYield(ref expr) => {
-                word(&mut self.s, "yield ")?;
+                self.s.word("yield")?;
+                self.s.space()?;
                 self.print_expr(&expr)?;
             }
             hir::ExprImplArg(_) => {
-                word(&mut self.s, "gen")?;
-                space(&mut self.s)?;
-                word(&mut self.s, "arg")?;
+                self.s.word("gen arg")?;
             }
         }
         self.ann.post(self, NodeExpr(expr))?;
diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index 114cabe26d1..1412f78b00d 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -2281,19 +2281,17 @@ impl<'a> State<'a> {
                 self.pclose()?;
             },
             ast::ExprKind::Yield(ref e) => {
-                word(&mut self.s, "yield")?;
+                self.s.word("yield")?;
                 match *e {
                     Some(ref expr) => {
-                        word(&mut self.s, " ")?;
+                        self.s.space()?;
                         self.print_expr(&expr)?;
                     }
                     _ => ()
                 }
             }
             ast::ExprKind::ImplArg => {
-                word(&mut self.s, "impl")?;
-                space(&mut self.s)?;
-                word(&mut self.s, "arg")?;
+                self.s.word("impl arg")?;
             }
             ast::ExprKind::Try(ref e) => {
                 self.print_expr(e)?;