Always succeed when calling Statement::cursor

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sqlite"
-version = "0.19.1"
+version = "0.19.2"
 authors = ["Ivan Ukhov <ivan.ukhov@gmail.com>"]
 license = "MIT"
 repository = "https://github.com/stainless-steel/sqlite"

README.md

@@ -54,7 +54,7 @@ use sqlite::Value;
 
 let mut cursor = connection.prepare("
     SELECT * FROM users WHERE age > ?
-").unwrap().cursor().unwrap();
+").unwrap().cursor();
 
 cursor.bind(&[Value::Integer(50)]).unwrap();
 

src/cursor.rs

@@ -52,6 +52,6 @@ impl<'l> Cursor<'l> {
 }
 
 #[inline]
-pub fn new<'l>(statement: Statement<'l>) -> Result<Cursor<'l>> {
-    Ok(Cursor { state: None, values: None, statement: statement })
+pub fn new<'l>(statement: Statement<'l>) -> Cursor<'l> {
+    Cursor { state: None, values: None, statement: statement }
 }

src/lib.rs

@@ -68,7 +68,7 @@
 //!
 //! let mut cursor = connection.prepare("
 //!     SELECT * FROM users WHERE age > ?
-//! ").unwrap().cursor().unwrap();
+//! ").unwrap().cursor();
 //!
 //! cursor.bind(&[Value::Integer(50)]).unwrap();
 //!

src/statement.rs

@@ -103,7 +103,7 @@ impl<'l> Statement<'l> {
 
     /// Upgrade to a cursor.
     #[inline]
-    pub fn cursor(self) -> Result<Cursor<'l>> {
+    pub fn cursor(self) -> Cursor<'l> {
         ::cursor::new(self)
     }
 }

tests/lib.rs

@@ -73,7 +73,7 @@ fn connection_set_busy_handler() {
 fn cursor() {
     let connection = setup(":memory:");
     let statement = "SELECT id, name FROM users WHERE id = ?";
-    let mut cursor = ok!(connection.prepare(statement)).cursor().unwrap();
+    let mut cursor = ok!(connection.prepare(statement)).cursor();
 
     ok!(cursor.bind(&[Value::Integer(1)]));
     assert_eq!(ok!(ok!(cursor.next())), &[Value::Integer(1), Value::String("Alice".to_string())]);