From 1d773bcefb40f69fe31dc048bfbdd83601fe0e62 Mon Sep 17 00:00:00 2001
From: ath3
Date: Sun, 28 Nov 2021 02:21:40 +0100
Subject: Implement black hole register (#1165)

---
 helix-core/src/register.rs | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

(limited to 'helix-core/src/register.rs')

diff --git a/helix-core/src/register.rs b/helix-core/src/register.rs
index c5444eb7..b9eb497d 100644
--- a/helix-core/src/register.rs
+++ b/helix-core/src/register.rs
@@ -15,7 +15,11 @@ impl Register {
     }
 
     pub fn new_with_values(name: char, values: Vec<String>) -> Self {
-        Self { name, values }
+        if name == '_' {
+            Self::new(name)
+        } else {
+            Self { name, values }
+        }
     }
 
     pub const fn name(&self) -> char {
@@ -27,11 +31,15 @@ impl Register {
     }
 
     pub fn write(&mut self, values: Vec<String>) {
-        self.values = values;
+        if self.name != '_' {
+            self.values = values;
+        }
     }
 
     pub fn push(&mut self, value: String) {
-        self.values.push(value);
+        if self.name != '_' {
+            self.values.push(value);
+        }
     }
 }
 
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