diff options
Diffstat (limited to 'src/evaluator.zig')
| -rw-r--r-- | src/evaluator.zig | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/evaluator.zig b/src/evaluator.zig index ec5df8c..2fc5441 100644 --- a/src/evaluator.zig +++ b/src/evaluator.zig @@ -136,7 +136,8 @@ pub const Evaluator = struct { .ADDITIVE_EXPRESSION => |x| { const lhs = try self.get_expression_value(x.lhs); const rhs = try self.get_expression_value(x.rhs); - return lhs + rhs; + if (x.addition) return lhs + rhs; + return lhs - rhs; }, .PRIMARY_EXPRESSION => |x| { switch (x) { |