1 files changed, 2 insertions, 0 deletions
diff --git a/src/parse.zig b/src/parse.zig
index 2149cd7..24d6e42 100644
--- a/src/parse.zig
+++ b/src/parse.zig
@@ -23,6 +23,7 @@ pub const Expr = struct {
 
             const Op = enum {
                 plus,
+                minus,
             };
         };
     };
@@ -38,6 +39,7 @@ pub fn addExpr(allocator: Allocator, lexer: *Peekable(Lexer)) !*Expr {
         const token: Lexer.Token = if (lexer.peek()) |t| t else break;
         const op: Expr.Type.BinOp.Op = switch (token.type) {
             .plus => .plus,
+            .minus => .minus,
             else => break,
         };