2 files changed, 37 insertions, 28 deletions

diff --git a/src/encoder/mod.rs b/src/encoder/mod.rs
index cdfe8e2..fb628fa 100644
--- a/src/encoder/mod.rs
+++ b/src/encoder/mod.rs
@@ -61,6 +61,8 @@ pub enum Error {
     /// Indicates that a type other than a string was attempted to be used as a
     /// map key type.
     InvalidMapKeyType,
+    /// A custom error type was generated
+    Custom(String),
 }
 
 #[derive(PartialEq)]
@@ -202,6 +204,7 @@ impl fmt::Display for Error {
                                                        at this location"),
             Error::InvalidMapKeyType => write!(f, "only strings can be used as \
                                                    key types"),
+            Error::Custom(ref s) => write!(f, "custom error: {}", s),
         }
     }
 }
diff --git a/src/encoder/serde.rs b/src/encoder/serde.rs
index 3b50181..d5bbb77 100644
--- a/src/encoder/serde.rs
+++ b/src/encoder/serde.rs
@@ -5,33 +5,33 @@ use super::{Encoder, Error};
 impl ser::Serializer for Encoder {
     type Error = Error;
 
-    fn visit_bool(&mut self, v: bool) -> Result<(), Error> {
+    fn serialize_bool(&mut self, v: bool) -> Result<(), Error> {
         self.emit_value(Value::Boolean(v))
     }
-    fn visit_i64(&mut self, v: i64) -> Result<(), Error> {
+    fn serialize_i64(&mut self, v: i64) -> Result<(), Error> {
         self.emit_value(Value::Integer(v))
     }
-    fn visit_u64(&mut self, v: u64) -> Result<(), Error> {
-        self.visit_i64(v as i64)
+    fn serialize_u64(&mut self, v: u64) -> Result<(), Error> {
+        self.serialize_i64(v as i64)
     }
-    fn visit_f64(&mut self, v: f64) -> Result<(), Error> {
+    fn serialize_f64(&mut self, v: f64) -> Result<(), Error> {
         self.emit_value(Value::Float(v))
     }
-    fn visit_str(&mut self, value: &str) -> Result<(), Error> {
+    fn serialize_str(&mut self, value: &str) -> Result<(), Error> {
         self.emit_value(Value::String(value.to_string()))
     }
-    fn visit_unit(&mut self) -> Result<(), Error> {
+    fn serialize_unit(&mut self) -> Result<(), Error> {
         Ok(())
     }
-    fn visit_none(&mut self) -> Result<(), Error> {
+    fn serialize_none(&mut self) -> Result<(), Error> {
         self.emit_none()
     }
-    fn visit_some<V>(&mut self, value: V) -> Result<(), Error>
+    fn serialize_some<V>(&mut self, value: V) -> Result<(), Error>
         where V: ser::Serialize
     {
         value.serialize(self)
     }
-    fn visit_seq<V>(&mut self, mut visitor: V) -> Result<(), Error>
+    fn serialize_seq<V>(&mut self, mut visitor: V) -> Result<(), Error>
         where V: ser::SeqVisitor
     {
         self.seq(|me| {
@@ -39,12 +39,12 @@ impl ser::Serializer for Encoder {
             Ok(())
         })
     }
-    fn visit_seq_elt<T>(&mut self, value: T) -> Result<(), Error>
+    fn serialize_seq_elt<T>(&mut self, value: T) -> Result<(), Error>
         where T: ser::Serialize
     {
         value.serialize(self)
     }
-    fn visit_map<V>(&mut self, mut visitor: V) -> Result<(), Error>
+    fn serialize_map<V>(&mut self, mut visitor: V) -> Result<(), Error>
         where V: ser::MapVisitor
     {
         self.table(|me| {
@@ -52,26 +52,26 @@ impl ser::Serializer for Encoder {
             Ok(())
         })
     }
-    fn visit_map_elt<K, V>(&mut self, key: K, value: V) -> Result<(), Error>
+    fn serialize_map_elt<K, V>(&mut self, key: K, value: V) -> Result<(), Error>
         where K: ser::Serialize, V: ser::Serialize
     {
         try!(self.table_key(|me| key.serialize(me)));
         try!(value.serialize(self));
         Ok(())
     }
-    fn visit_newtype_struct<T>(&mut self,
-                               _name: &'static str,
-                               value: T) -> Result<(), Self::Error>
+    fn serialize_newtype_struct<T>(&mut self,
+                                   _name: &'static str,
+                                   value: T) -> Result<(), Self::Error>
         where T: ser::Serialize,
     {
         // Don't serialize the newtype struct in a tuple.
         value.serialize(self)
     }
-    fn visit_newtype_variant<T>(&mut self,
-                                _name: &'static str,
-                                _variant_index: usize,
-                                _variant: &'static str,
-                                value: T) -> Result<(), Self::Error>
+    fn serialize_newtype_variant<T>(&mut self,
+                                    _name: &'static str,
+                                    _variant_index: usize,
+                                    _variant: &'static str,
+                                    value: T) -> Result<(), Self::Error>
         where T: ser::Serialize,
     {
         // Don't serialize the newtype struct variant in a tuple.
@@ -84,19 +84,25 @@ impl ser::Serialize for Value {
         where E: ser::Serializer
     {
         match *self {
-            Value::String(ref s) => e.visit_str(s),
-            Value::Integer(i) => e.visit_i64(i),
-            Value::Float(f) => e.visit_f64(f),
-            Value::Boolean(b) => e.visit_bool(b),
-            Value::Datetime(ref s) => e.visit_str(s),
+            Value::String(ref s) => e.serialize_str(s),
+            Value::Integer(i) => e.serialize_i64(i),
+            Value::Float(f) => e.serialize_f64(f),
+            Value::Boolean(b) => e.serialize_bool(b),
+            Value::Datetime(ref s) => e.serialize_str(s),
             Value::Array(ref a) => {
-                e.visit_seq(ser::impls::SeqIteratorVisitor::new(a.iter(),
+                e.serialize_seq(ser::impls::SeqIteratorVisitor::new(a.iter(),
                                                                 Some(a.len())))
             }
             Value::Table(ref t) => {
-                e.visit_map(ser::impls::MapIteratorVisitor::new(t.iter(),
+                e.serialize_map(ser::impls::MapIteratorVisitor::new(t.iter(),
                                                                 Some(t.len())))
             }
         }
     }
 }
+
+impl ser::Error for Error {
+    fn custom<T: Into<String>>(msg: T) -> Error {
+        Error::Custom(msg.into())
+    }
+}