Use #[doc(cfg)]

Fix #835

src/session.rs

@@ -1,4 +1,4 @@
-//! `feature = "session"` [Session Extension](https://sqlite.org/sessionintro.html)
+//! [Session Extension](https://sqlite.org/sessionintro.html)
 #![allow(non_camel_case_types)]
 
 use std::ffi::CStr;
@@ -19,7 +19,7 @@ use crate::{errmsg_to_string, str_to_cstring, Connection, DatabaseName, Result};
 
 // https://sqlite.org/session.html
 
-/// `feature = "session"` An instance of this object is a session that can be
+/// An instance of this object is a session that can be
 /// used to record changes to a database.
 pub struct Session<'conn> {
     phantom: PhantomData<&'conn Connection>,
@@ -223,7 +223,7 @@ impl Drop for Session<'_> {
     }
 }
 
-/// `feature = "session"` Invert a changeset
+/// Invert a changeset
 #[inline]
 pub fn invert_strm(input: &mut dyn Read, output: &mut dyn Write) -> Result<()> {
     let input_ref = &input;
@@ -239,7 +239,7 @@ pub fn invert_strm(input: &mut dyn Read, output: &mut dyn Write) -> Result<()> {
     Ok(())
 }
 
-/// `feature = "session"` Combine two changesets
+/// Combine two changesets
 #[inline]
 pub fn concat_strm(
     input_a: &mut dyn Read,
@@ -262,7 +262,7 @@ pub fn concat_strm(
     Ok(())
 }
 
-/// `feature = "session"` Changeset or Patchset
+/// Changeset or Patchset
 pub struct Changeset {
     cs: *mut c_void,
     n: c_int,
@@ -313,7 +313,7 @@ impl Drop for Changeset {
     }
 }
 
-/// `feature = "session"` Cursor for iterating over the elements of a changeset
+/// Cursor for iterating over the elements of a changeset
 /// or patchset.
 pub struct ChangesetIter<'changeset> {
     phantom: PhantomData<&'changeset Changeset>,
@@ -367,7 +367,7 @@ impl FallibleStreamingIterator for ChangesetIter<'_> {
     }
 }
 
-/// `feature = "session"`
+/// Operation
 pub struct Operation<'item> {
     table_name: &'item str,
     number_of_columns: i32,
@@ -410,7 +410,7 @@ impl Drop for ChangesetIter<'_> {
     }
 }
 
-/// `feature = "session"` An item passed to a conflict-handler by
+/// An item passed to a conflict-handler by
 /// [`Connection::apply`](crate::Connection::apply), or an item generated by
 /// [`ChangesetIter::next`](ChangesetIter::next).
 // TODO enum ? Delete, Insert, Update, ...
@@ -517,7 +517,7 @@ impl ChangesetItem {
     }
 }
 
-/// `feature = "session"` Used to combine two or more changesets or
+/// Used to combine two or more changesets or
 /// patchsets
 pub struct Changegroup {
     cg: *mut ffi::sqlite3_changegroup,
@@ -587,7 +587,7 @@ impl Drop for Changegroup {
 }
 
 impl Connection {
-    /// `feature = "session"` Apply a changeset to a database
+    /// Apply a changeset to a database
     pub fn apply<F, C>(&self, cs: &Changeset, filter: Option<F>, conflict: C) -> Result<()>
     where
         F: Fn(&str) -> bool + Send + RefUnwindSafe + 'static,
@@ -621,7 +621,7 @@ impl Connection {
         Ok(())
     }
 
-    /// `feature = "session"` Apply a changeset to a database
+    /// Apply a changeset to a database
     pub fn apply_strm<F, C>(
         &self,
         input: &mut dyn Read,
@@ -662,7 +662,7 @@ impl Connection {
     }
 }
 
-/// `feature = "session"` Constants passed to the conflict handler
+/// Constants passed to the conflict handler
 /// See [here](https://sqlite.org/session.html#SQLITE_CHANGESET_CONFLICT) for details.
 #[allow(missing_docs)]
 #[repr(i32)]
@@ -690,7 +690,7 @@ impl From<i32> for ConflictType {
     }
 }
 
-/// `feature = "session"` Constants returned by the conflict handler
+/// Constants returned by the conflict handler
 /// See [here](https://sqlite.org/session.html#SQLITE_CHANGESET_ABORT) for details.
 #[allow(missing_docs)]
 #[repr(i32)]