From 729ea8d48dc57292044e1cd711d1501ff7fb641c Mon Sep 17 00:00:00 2001
From: Sasha Koshka <sashakoshka@tebibyte.media>
Date: Tue, 22 Nov 2022 01:21:19 -0500
Subject: [PATCH] S swaps sign of literal, shift + s swaps sign mode of readout

---
 main.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/main.go b/main.go
index 0845928..911ef97 100644
--- a/main.go
+++ b/main.go
@@ -213,6 +213,16 @@ func onPress (button stone.Button, modifiers stone.Modifiers) {
 		application.Draw()
 
 	case 's':
+		switch selectedExpression.(type) {
+		case *IntegerLiteral:
+			integer := selectedExpression.(*IntegerLiteral)
+			integer.value *= -1
+		}
+		
+		redraw()
+		application.Draw()
+
+	case 'S':
 		showSigned = !showSigned
 		redraw()
 		application.Draw()