From 695664837460bc3f0bf9eeebdb5e68a2fb1cc976 Mon Sep 17 00:00:00 2001
From: rikbellens <rik.bellens@appsup.be>
Date: Tue, 27 Dec 2022 18:37:54 +0100
Subject: [PATCH] feat: support for the truncating division operator ~/

---
 lib/src/evaluator.dart     | 4 +++-
 lib/src/parser.dart        | 3 ++-
 test/expressions_test.dart | 1 +
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/src/evaluator.dart b/lib/src/evaluator.dart
index e190d9a..41caf67 100644
--- a/lib/src/evaluator.dart
+++ b/lib/src/evaluator.dart
@@ -179,7 +179,9 @@ class ExpressionEvaluator {
         return left / right();
       case '%':
         return left % right();
-      case "??":
+      case '~/':
+        return left ~/ right();
+      case '??':
         return left ?? right();
     }
     throw ArgumentError(
diff --git a/lib/src/parser.dart b/lib/src/parser.dart
index a3e1d22..432c507 100644
--- a/lib/src/parser.dart
+++ b/lib/src/parser.dart
@@ -125,7 +125,8 @@ class ExpressionParser {
     '-': 9,
     '*': 10,
     '/': 10,
-    '%': 10
+    '%': 10,
+    '~/': 10,
   };
 
   // This function is responsible for gobbling an individual expression,
diff --git a/test/expressions_test.dart b/test/expressions_test.dart
index a74cbda..26beed7 100644
--- a/test/expressions_test.dart
+++ b/test/expressions_test.dart
@@ -186,6 +186,7 @@ void main() {
         '1+4-5%2*3': 2,
         'x*x+y*y==z*z': true,
         'n ?? 1': 1,
+        '5~/2': 2,
       };
 
       expressions.forEach((e, r) {