Simplify implementation

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 5 insertions, 16 deletions

diff --git a/src/read.rs b/src/read.rs
index 0d18447..4779ce5 100644
--- a/src/read.rs
+++ b/src/read.rs
@@ -6,13 +6,7 @@ use crate::object::*;
 use crate::tokenizer::Token;
 use crate::query::Query;
 
-pub trait Read<'doc> : Object {
-    fn read(&'doc self, query: &Query) -> Result<Option<&'doc Self>>;
-    fn read_mut(&'doc mut self, query: &Query) -> Result<Option<&'doc mut Self>>;
-}
-
-#[cfg(feature = "backend_toml")]
-impl<'doc> Read<'doc> for toml::Value {
+pub trait Read<'doc> : Object + Sized {
     fn read(&'doc self, query: &Query) -> Result<Option<&'doc Self>> {
         query_with_token(self, query.token())
     }
@@ -22,16 +16,11 @@ impl<'doc> Read<'doc> for toml::Value {
     }
 }
 
-#[cfg(feature = "backend_serde_json")]
-impl<'doc> Read<'doc> for serde_json::Value {
-    fn read(&'doc self, query: &Query) -> Result<Option<&'doc Self>> {
-        query_with_token(self, query.token())
-    }
+#[cfg(feature = "backend_toml")]
+impl<'doc> Read<'doc> for toml::Value { }
 
-    fn read_mut(&'doc mut self, query: &Query) -> Result<Option<&'doc mut Self>> {
-        query_with_token_mut(self, query.token())
-    }
-}
+#[cfg(feature = "backend_serde_json")]
+impl<'doc> Read<'doc> for serde_json::Value { }
 
 fn query_with_token<'doc, O>(obj: &'doc O, token: &Token) -> Result<Option<&'doc O>>
     where O: Object