Remove a few unnecessary lifetimes

src/value/from.rs

@@ -91,7 +91,7 @@ impl From<String> for Value {
     }
 }
 
-impl<'a> From<&'a str> for Value {
+impl From<&str> for Value {
     /// Convert string slice to `Value`
     ///
     /// # Examples
@@ -181,7 +181,7 @@ impl<T: Into<Value>> From<Vec<T>> for Value {
     }
 }
 
-impl<'a, T: Clone + Into<Value>> From<&'a [T]> for Value {
+impl<T: Clone + Into<Value>> From<&[T]> for Value {
     /// Convert a slice to `Value`
     ///
     /// # Examples
@@ -192,7 +192,7 @@ impl<'a, T: Clone + Into<Value>> From<&'a [T]> for Value {
     /// let v: &[&str] = &["lorem", "ipsum", "dolor"];
     /// let x: Value = v.into();
     /// ```
-    fn from(f: &'a [T]) -> Self {
+    fn from(f: &[T]) -> Self {
         Value::Array(f.iter().cloned().map(Into::into).collect())
     }
 }

src/value/index.rs

@@ -116,7 +116,7 @@ impl Index for String {
     }
 }
 
-impl<'a, T> Index for &'a T
+impl<T> Index for &T
 where
     T: ?Sized + Index,
 {

src/value/partial_eq.rs

@@ -34,7 +34,7 @@ impl PartialEq<str> for Value {
     }
 }
 
-impl<'a> PartialEq<&'a str> for Value {
+impl PartialEq<&str> for Value {
     fn eq(&self, other: &&str) -> bool {
         eq_str(self, *other)
     }
@@ -46,7 +46,7 @@ impl PartialEq<Value> for str {
     }
 }
 
-impl<'a> PartialEq<Value> for &'a str {
+impl PartialEq<Value> for &str {
     fn eq(&self, other: &Value) -> bool {
         eq_str(other, *self)
     }