feat: Implement a mathematical implication

CHANGELOG.md

@@ -9,3 +9,7 @@
 ## 0.1.2
 
 * Add [DeterministicFiniteAutomaton] and [MealyAutomaton]
+
+## 0.1.3
+
+* Add [implies] from the Moxxy main repository

lib/math.dart

@@ -0,0 +1,4 @@
+/// A mathematical implication between [a] and [b] (a -> b);
+bool implies(bool a, bool b) {
+  return !a || b;
+}

lib/moxlib.dart

@@ -2,3 +2,4 @@ library moxlib;
 
 export "awaitabledatasender.dart";
 export "automaton.dart";
+export "math.dart";

pubspec.yaml

@@ -1,6 +1,6 @@
 name: moxlib
 description: A collection of code for sharing between various moxxy libraries. Not inteded for outside use.
-version: 0.1.2
+version: 0.1.3
 homepage: https://codeberg.org/moxxy/moxlib
 publish_to: https://pub.polynom.me
 

test/math_test.dart

@@ -0,0 +1,14 @@
+import "package:moxlib/math.dart";
+
+import "package:test/test.dart";
+
+void main() {
+  group("implies", () {
+      test("Truth table test", () {
+          expect(implies(true, true), true);
+          expect(implies(true, false), false);
+          expect(implies(false, true), true);
+          expect(implies(false, false), true);
+      });
+  });
+}