less broken multiline editing

1 files changed, 10 insertions, 2 deletions

diff --git a/src/cursor.rs b/src/cursor.rs
index 959b15f..e6f99f1 100644
--- a/src/cursor.rs
+++ b/src/cursor.rs
@@ -27,12 +27,20 @@ pub fn move_cursor(direction: Direction, n: usize) {
     fmove_cursor(direction, n, &mut std::io::stdout()).unwrap()
 }
 
+pub fn f_save(stdout: &mut dyn Write) -> std::io::Result<()> {
+    stdout.write_all(b"\x1b[s")
+}
+
+pub fn f_restore(stdout: &mut dyn Write) -> std::io::Result<()> {
+    stdout.write_all(b"\x1b[u")
+}
+
 pub fn save() {
-    std::io::stdout().lock().write_all(b"\x1b[s").unwrap();
+    f_save(&mut std::io::stdout().lock()).unwrap();
 }
 
 pub fn restore() {
-    std::io::stdout().lock().write_all(b"\x1b[u").unwrap();
+    f_restore(&mut std::io::stdout().lock()).unwrap();
 }
 
 /// Represents a cursor position