2 files changed, 14 insertions, 0 deletions
diff --git a/src/libsyntax/print/pp.rs b/src/libsyntax/print/pp.rs
index 7ab3d5dbcd1..c4e040a0f7c 100644
--- a/src/libsyntax/print/pp.rs
+++ b/src/libsyntax/print/pp.rs
@@ -72,18 +72,24 @@ pub enum Breaks {
     Inconsistent,
 }
 
+impl Copy for Breaks {}
+
 #[deriving(Clone)]
 pub struct BreakToken {
     offset: int,
     blank_space: int
 }
 
+impl Copy for BreakToken {}
+
 #[deriving(Clone)]
 pub struct BeginToken {
     offset: int,
     breaks: Breaks
 }
 
+impl Copy for BeginToken {}
+
 #[deriving(Clone)]
 pub enum Token {
     String(string::String, int),
@@ -152,11 +158,15 @@ pub enum PrintStackBreak {
     Broken(Breaks),
 }
 
+impl Copy for PrintStackBreak {}
+
 pub struct PrintStackElem {
     offset: int,
     pbreak: PrintStackBreak
 }
 
+impl Copy for PrintStackElem {}
+
 static SIZE_INFINITY: int = 0xffff;
 
 pub fn mk_printer(out: Box<io::Writer+'static>, linewidth: uint) -> Printer {
diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index 6ce0ee79c62..eab03f73091 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -47,6 +47,8 @@ pub trait PpAnn {
 
 pub struct NoAnn;
 
+impl Copy for NoAnn {}
+
 impl PpAnn for NoAnn {}
 
 pub struct CurrentCommentAndLiteral {
@@ -54,6 +56,8 @@ pub struct CurrentCommentAndLiteral {
     cur_lit: uint,
 }
 
+impl Copy for CurrentCommentAndLiteral {}
+
 pub struct State<'a> {
     pub s: pp::Printer,
     cm: Option<&'a CodeMap>,