From 63fc88757f9742b763114deac75962cb897b8218 Mon Sep 17 00:00:00 2001
From: Erick Tryzelaar <erick.tryzelaar@gmail.com>
Date: Thu, 28 Mar 2013 20:51:40 -0700
Subject: [PATCH] std: remove Encoder::emit_{owned,managed} and
 Decoder::read_{owned,managed}

---
 src/libstd/ebml.rs               | 14 --------------
 src/libstd/json.rs               |  4 ----
 src/libstd/serialize.rs          | 16 +++++-----------
 src/libsyntax/ext/auto_encode.rs |  4 ----
 4 files changed, 5 insertions(+), 33 deletions(-)

diff --git a/src/libstd/ebml.rs b/src/libstd/ebml.rs
index 513897997a5..fccb707ed1f 100644
--- a/src/libstd/ebml.rs
+++ b/src/libstd/ebml.rs
@@ -315,16 +315,6 @@ pub mod reader {
         fn read_str(&self) -> ~str { doc_as_str(self.next_doc(EsStr)) }
 
         // Compound types:
-        fn read_owned<T>(&self, f: &fn() -> T) -> T {
-            debug!("read_owned()");
-            f()
-        }
-
-        fn read_managed<T>(&self, f: &fn() -> T) -> T {
-            debug!("read_managed()");
-            f()
-        }
-
         fn read_enum<T>(&self, name: &str, f: &fn() -> T) -> T {
             debug!("read_enum(%s)", name);
             self._check_label(name);
@@ -651,10 +641,6 @@ pub mod writer {
             self.wr_tagged_str(EsStr as uint, v)
         }
 
-        fn emit_borrowed(&self, f: &fn()) { f() }
-        fn emit_owned(&self, f: &fn()) { f() }
-        fn emit_managed(&self, f: &fn()) { f() }
-
         fn emit_enum(&self, name: &str, f: &fn()) {
             self._emit_label(name);
             self.wr_tag(EsEnum as uint, f)
diff --git a/src/libstd/json.rs b/src/libstd/json.rs
index 373131e9e65..c936f8e4dcd 100644
--- a/src/libstd/json.rs
+++ b/src/libstd/json.rs
@@ -108,10 +108,6 @@ impl serialize::Encoder for Encoder {
     fn emit_char(&self, v: char) { self.emit_str(str::from_char(v)) }
     fn emit_str(&self, v: &str) { self.wr.write_str(escape_str(v)) }
 
-    fn emit_borrowed(&self, f: &fn()) { f() }
-    fn emit_owned(&self, f: &fn()) { f() }
-    fn emit_managed(&self, f: &fn()) { f() }
-
     fn emit_enum(&self, _name: &str, f: &fn()) { f() }
     fn emit_enum_variant(&self, name: &str, _id: uint, cnt: uint, f: &fn()) {
         // enums are encoded as strings or vectors:
diff --git a/src/libstd/serialize.rs b/src/libstd/serialize.rs
index daf834dad2e..42a9e24b1cb 100644
--- a/src/libstd/serialize.rs
+++ b/src/libstd/serialize.rs
@@ -41,9 +41,6 @@ pub trait Encoder {
     fn emit_str(&self, v: &str);
 
     // Compound types:
-    fn emit_borrowed(&self, f: &fn());
-    fn emit_owned(&self, f: &fn());
-    fn emit_managed(&self, f: &fn());
 
     fn emit_enum(&self, name: &str, f: &fn());
     fn emit_enum_variant(&self, v_name: &str, v_id: uint, sz: uint, f: &fn());
@@ -97,9 +94,6 @@ pub trait Decoder {
     fn read_enum_variant<T>(&self, names: &[&str], f: &fn(uint) -> T) -> T;
     fn read_enum_variant_arg<T>(&self, idx: uint, f: &fn() -> T) -> T;
 
-    fn read_owned<T>(&self, f: &fn() -> T) -> T;
-    fn read_managed<T>(&self, f: &fn() -> T) -> T;
-
     fn read_owned_vec<T>(&self, f: &fn(uint) -> T) -> T;
     fn read_managed_vec<T>(&self, f: &fn(uint) -> T) -> T;
     fn read_vec_elt<T>(&self, idx: uint, f: &fn() -> T) -> T;
@@ -296,31 +290,31 @@ impl<D:Decoder> Decodable<D> for () {
 
 impl<'self, S:Encoder,T:Encodable<S>> Encodable<S> for &'self T {
     fn encode(&self, s: &S) {
-        s.emit_borrowed(|| (**self).encode(s))
+        (**self).encode(s)
     }
 }
 
 impl<S:Encoder,T:Encodable<S>> Encodable<S> for ~T {
     fn encode(&self, s: &S) {
-        s.emit_owned(|| (**self).encode(s))
+        (**self).encode(s)
     }
 }
 
 impl<D:Decoder,T:Decodable<D>> Decodable<D> for ~T {
     fn decode(d: &D) -> ~T {
-        d.read_owned(|| ~Decodable::decode(d))
+        ~Decodable::decode(d)
     }
 }
 
 impl<S:Encoder,T:Encodable<S>> Encodable<S> for @T {
     fn encode(&self, s: &S) {
-        s.emit_managed(|| (**self).encode(s))
+        (**self).encode(s)
     }
 }
 
 impl<D:Decoder,T:Decodable<D>> Decodable<D> for @T {
     fn decode(d: &D) -> @T {
-        d.read_managed(|| @Decodable::decode(d))
+        @Decodable::decode(d)
     }
 }
 
diff --git a/src/libsyntax/ext/auto_encode.rs b/src/libsyntax/ext/auto_encode.rs
index 54f9967e64a..c9357c9d867 100644
--- a/src/libsyntax/ext/auto_encode.rs
+++ b/src/libsyntax/ext/auto_encode.rs
@@ -1242,10 +1242,6 @@ mod test {
         fn emit_char(&self, +_v: char) { self.add_unknown_to_log(); }
         fn emit_str(&self, +_v: &str) { self.add_unknown_to_log(); }
 
-        fn emit_borrowed(&self, f: &fn()) { self.add_unknown_to_log(); f() }
-        fn emit_owned(&self, f: &fn()) { self.add_unknown_to_log(); f() }
-        fn emit_managed(&self, f: &fn()) { self.add_unknown_to_log(); f() }
-
         fn emit_enum(&self, name: &str, f: &fn()) {
             self.add_to_log(CallToEmitEnum(name.to_str())); f(); }