From 69b66367be54dc2029adc32544a5f709fc1ef1a2 Mon Sep 17 00:00:00 2001
From: Mathias Magnusson <mathias@magnusson.space>
Date: Sun, 1 Jun 2025 00:58:19 +0200
Subject: add subtraction

---
 src/lexer.zig | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/lexer.zig')

diff --git a/src/lexer.zig b/src/lexer.zig
index 8586765..608b755 100644
--- a/src/lexer.zig
+++ b/src/lexer.zig
@@ -9,6 +9,7 @@ pub const Token = struct {
         right_paren,
         integer_literal,
         plus,
+        minus,
         invalid,
         eof,
     };
@@ -44,6 +45,7 @@ pub fn next(self: *Self) ?Token {
         ')' => self.create(.right_paren),
         '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' => self.integerLiteral(),
         '+' => self.create(.plus),
+        '-' => self.create(.minus),
         ' ' => {
             self.last_end = self.pos;
             continue :s (self.eat() orelse return self.create(.eof));
-- 
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