prompt: If submitting empty prompt, use default (last used)

1 files changed, 4 insertions, 0 deletions

diff --git a/helix-core/src/register.rs b/helix-core/src/register.rs
index b39e4034..7fa34644 100644
--- a/helix-core/src/register.rs
+++ b/helix-core/src/register.rs
@@ -69,6 +69,10 @@ impl Registers {
         self.get(name).map(|reg| reg.read())
     }
 
+    pub fn first(&self, name: char) -> Option<&String> {
+        self.read(name).and_then(|entries| entries.first())
+    }
+
     pub fn inner(&self) -> &HashMap<char, Register> {
         &self.inner
     }