Remove needless lifetimes

src/cache.rs

@@ -33,7 +33,7 @@ impl Connection {
     ///
     /// Will return `Err` if `sql` cannot be converted to a C-compatible string
     /// or if the underlying SQLite call fails.
-    pub fn prepare_cached<'a>(&'a self, sql: &str) -> Result<CachedStatement<'a>> {
+    pub fn prepare_cached(&self, sql: &str) -> Result<CachedStatement<'_>> {
         self.cache.get(self, sql)
     }
 

src/context.rs

@@ -12,7 +12,7 @@ use crate::types::{ToSqlOutput, ValueRef};
 #[cfg(feature = "array")]
 use crate::vtab::array::{free_array, ARRAY_TYPE};
 
-pub(crate) unsafe fn set_result<'a>(ctx: *mut sqlite3_context, result: &ToSqlOutput<'a>) {
+pub(crate) unsafe fn set_result(ctx: *mut sqlite3_context, result: &ToSqlOutput<'_>) {
     let value = match *result {
         ToSqlOutput::Borrowed(v) => v,
         ToSqlOutput::Owned(ref v) => ValueRef::from(v),

src/lib.rs

@@ -567,7 +567,7 @@ impl Connection {
     ///
     /// Will return `Err` if `sql` cannot be converted to a C-compatible string
     /// or if the underlying SQLite call fails.
-    pub fn prepare<'a>(&'a self, sql: &str) -> Result<Statement<'a>> {
+    pub fn prepare(&self, sql: &str) -> Result<Statement<'_>> {
         self.db.borrow_mut().prepare(self, sql)
     }
 

src/session.rs

@@ -258,7 +258,7 @@ impl Changeset {
     }
 
     /// Create an iterator to traverse a changeset
-    pub fn iter<'changeset>(&'changeset self) -> Result<ChangesetIter<'changeset>> {
+    pub fn iter(&self) -> Result<ChangesetIter<'_>> {
         let mut it: *mut ffi::sqlite3_changeset_iter = unsafe { mem::uninitialized() };
         check!(unsafe { ffi::sqlite3changeset_start(&mut it, self.n, self.cs) });
         Ok(ChangesetIter {

src/statement.rs

@@ -186,7 +186,7 @@ impl<'conn> Statement<'conn> {
     /// ## Failure
     ///
     /// Will return `Err` if binding parameters fails.
-    pub fn query<'a, P>(&'a mut self, params: P) -> Result<Rows<'a>>
+    pub fn query<P>(&mut self, params: P) -> Result<Rows<'_>>
     where
         P: IntoIterator,
         P::Item: ToSql,
@@ -263,7 +263,7 @@ impl<'conn> Statement<'conn> {
     /// ## Failure
     ///
     /// Will return `Err` if binding parameters fails.
-    pub fn query_map<'a, T, P, F>(&'a mut self, params: P, f: F) -> Result<MappedRows<'a, F>>
+    pub fn query_map<T, P, F>(&mut self, params: P, f: F) -> Result<MappedRows<'_, F>>
     where
         P: IntoIterator,
         P::Item: ToSql,
@@ -319,11 +319,7 @@ impl<'conn> Statement<'conn> {
     /// # Failure
     ///
     /// Will return `Err` if binding parameters fails.
-    pub fn query_and_then<'a, T, E, P, F>(
+    pub fn query_and_then<T, E, P, F>(&mut self, params: P, f: F) -> Result<AndThenRows<'_, F>>
-        &'a mut self,
-        params: P,
-        f: F,
-    ) -> Result<AndThenRows<'a, F>>
     where
         P: IntoIterator,
         P::Item: ToSql,