From e8df2a426959fa3ff4f65eae85e618394bf27e28 Mon Sep 17 00:00:00 2001
From: Canop <cano.petrole@gmail.com>
Date: Thu, 1 Oct 2020 13:24:33 +0200
Subject: [PATCH] remove `option.insert_with`

`option.insert` covers both needs anyway, `insert_with` is
redundant.
---
 library/core/src/option.rs | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/library/core/src/option.rs b/library/core/src/option.rs
index 394be746ec2f..64541da300e8 100644
--- a/library/core/src/option.rs
+++ b/library/core/src/option.rs
@@ -581,25 +581,7 @@ impl<T> Option<T> {
     #[inline]
     #[unstable(feature = "option_insert", reason = "new API", issue = "none")]
     pub fn insert(&mut self, v: T) -> &mut T {
-        self.insert_with(|| v)
-    }
-
-    /// Inserts a value computed from `f` into the option, then returns a
-    /// mutable reference to the contained value.
-    ///
-    /// # Example
-    ///
-    /// ```
-    /// #![feature(option_insert)]
-    ///
-    /// let mut o = None;
-    /// let v = o.insert_with(|| 3);
-    /// assert_eq!(*v, 3);
-    /// ```
-    #[inline]
-    #[unstable(feature = "option_insert", reason = "new API", issue = "none")]
-    pub fn insert_with<F: FnOnce() -> T>(&mut self, f: F) -> &mut T {
-        *self = Some(f());
+        *self = Some(v);
 
         match *self {
             Some(ref mut v) => v,