From 87e776fcebd40cb9628124c19e7e9190b1bd24a5 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Tue, 14 Sep 2021 12:27:21 +0200
Subject: Add `BoolExt` trait with `flip` method

---
 src/util/mod.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/util/mod.rs')

diff --git a/src/util/mod.rs b/src/util/mod.rs
index 3608ca76..1abdcbc9 100644
--- a/src/util/mod.rs
+++ b/src/util/mod.rs
@@ -11,6 +11,18 @@ use std::cmp::Ordering;
 use std::ops::Range;
 use std::path::{Component, Path, PathBuf};
 
+/// Additional methods for booleans.
+pub trait BoolExt {
+    /// Toggle the value of the bool in place.
+    fn flip(&mut self);
+}
+
+impl BoolExt for bool {
+    fn flip(&mut self) {
+        *self = !*self;
+    }
+}
+
 /// Additional methods for options.
 pub trait OptionExt<T> {
     /// Replace `self` with `other` if `self` is `Some`.
-- 
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