From 9f028eb70e1f47660f8f0c9f2bbb6f8fd980768d Mon Sep 17 00:00:00 2001
From: haykam821 <24855774+haykam821@users.noreply.github.com>
Date: Tue, 5 Mar 2024 16:34:00 -0500
Subject: [PATCH] Allow using the Unicode not equal to character as an
 inequality operator

---
 core/src/lexer.rs               | 1 +
 core/tests/integration_tests.rs | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/core/src/lexer.rs b/core/src/lexer.rs
index 4ecc3c4f..483ab38e 100644
--- a/core/src/lexer.rs
+++ b/core/src/lexer.rs
@@ -539,6 +539,7 @@ fn parse_symbol(ch: char, input: &mut &str) -> FResult<Token> {
 				Symbol::Equals
 			}
 		}
+		'\u{2260}' => Symbol::NotEquals,       // unicode not equal to symbol
 		'\\' | '\u{3bb}' => Symbol::Backslash, // lambda symbol
 		'.' => Symbol::Dot,
 		'<' => {
diff --git a/core/tests/integration_tests.rs b/core/tests/integration_tests.rs
index 432bdae3..4851038a 100644
--- a/core/tests/integration_tests.rs
+++ b/core/tests/integration_tests.rs
@@ -5878,8 +5878,10 @@ fn test_superscript() {
 fn test_equality() {
 	test_eval("1 + 2 == 3", "true");
 	test_eval("1 + 2 != 4", "true");
+	test_eval("1 + 2 ≠ 4", "true");
 	test_eval("true == false", "false");
 	test_eval("true != false", "true");
+	test_eval("true ≠ false", "true");
 	test_eval("2m == 200cm", "true");
 	test_eval("2kg == 200cm", "false");
 	test_eval("2kg == true", "false");