refactor: Apply clippy fixes for needless_lifetimes lint

https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes

Author: alerque

fluent-bundle/examples/custom_type.rs

@@ -33,7 +33,7 @@ enum DateTimeStyleValue {
 
 // This is just a helper to make it easier to convert
 // a value provided to FluentArgs into an option value.
-impl<'l> From<&FluentValue<'l>> for DateTimeStyleValue {
+impl From<&FluentValue<'_>> for DateTimeStyleValue {
     fn from(input: &FluentValue) -> Self {
         if let FluentValue::String(s) = input {
             match s.as_ref() {
@@ -73,7 +73,7 @@ impl DateTimeOptions {
     }
 }
 
-impl<'l> From<&FluentArgs<'l>> for DateTimeOptions {
+impl From<&FluentArgs<'_>> for DateTimeOptions {
     fn from(input: &FluentArgs) -> Self {
         let mut opts = Self::default();
         opts.merge(input);

fluent-bundle/src/types/mod.rs

@@ -84,7 +84,7 @@ pub enum FluentValue<'source> {
     Error,
 }
 
-impl<'s> PartialEq for FluentValue<'s> {
+impl PartialEq for FluentValue<'_> {
     fn eq(&self, other: &Self) -> bool {
         match (self, other) {
             (FluentValue::String(s), FluentValue::String(s2)) => s == s2,
@@ -95,7 +95,7 @@ impl<'s> PartialEq for FluentValue<'s> {
     }
 }
 
-impl<'s> Clone for FluentValue<'s> {
+impl Clone for FluentValue<'_> {
     fn clone(&self) -> Self {
         match self {
             FluentValue::String(s) => FluentValue::String(s.clone()),
@@ -291,7 +291,7 @@ impl<'source> FluentValue<'source> {
     }
 }
 
-impl<'source> From<String> for FluentValue<'source> {
+impl From<String> for FluentValue<'_> {
     fn from(s: String) -> Self {
         FluentValue::String(s.into())
     }

fluent-bundle/src/types/number.rs

@@ -175,7 +175,7 @@ impl FromStr for FluentNumber {
     }
 }
 
-impl<'l> From<FluentNumber> for FluentValue<'l> {
+impl From<FluentNumber> for FluentValue<'_> {
     fn from(input: FluentNumber) -> Self {
         FluentValue::Number(input)
     }

fluent-bundle/tests/custom_types.rs

@@ -57,7 +57,7 @@ fn fluent_date_time_builtin() {
         None,
     }
 
-    impl<'l> From<&FluentValue<'l>> for DateTimeStyleValue {
+    impl From<&FluentValue<'_>> for DateTimeStyleValue {
         fn from(input: &FluentValue) -> Self {
             if let FluentValue::String(s) = input {
                 match s.as_ref() {
@@ -91,7 +91,7 @@ fn fluent_date_time_builtin() {
         }
     }
 
-    impl<'l> From<&FluentArgs<'l>> for DateTimeOptions {
+    impl From<&FluentArgs<'_>> for DateTimeOptions {
         fn from(input: &FluentArgs) -> Self {
             let mut opts = Self::default();
             opts.merge(input);

fluent-syntax/src/parser/slice.rs

@@ -9,7 +9,7 @@ pub trait Slice<'s>: AsRef<str> + Clone + PartialEq {
     fn trim(&mut self);
 }
 
-impl<'s> Slice<'s> for String {
+impl Slice<'_> for String {
     fn slice(&self, range: Range<usize>) -> Self {
         self[range].to_string()
     }