From 04f6692aaf78809c041ba6145bde2dcbeec9725e Mon Sep 17 00:00:00 2001
From: Diggory Blake <diggsey@googlemail.com>
Date: Mon, 26 Mar 2018 23:24:31 +0100
Subject: Implement `shrink_to` method on collections

---
 src/libstd/sys/redox/os_str.rs   | 5 +++++
 src/libstd/sys/unix/os_str.rs    | 5 +++++
 src/libstd/sys/wasm/os_str.rs    | 5 +++++
 src/libstd/sys/windows/os_str.rs | 5 +++++
 4 files changed, 20 insertions(+)

(limited to 'src/libstd/sys')

diff --git a/src/libstd/sys/redox/os_str.rs b/src/libstd/sys/redox/os_str.rs
index 655bfdb9167..da27787babb 100644
--- a/src/libstd/sys/redox/os_str.rs
+++ b/src/libstd/sys/redox/os_str.rs
@@ -104,6 +104,11 @@ impl Buf {
         self.inner.shrink_to_fit()
     }
 
+    #[inline]
+    pub fn shrink_to(&mut self, min_capacity: usize) {
+        self.inner.shrink_to(min_capacity)
+    }
+
     pub fn as_slice(&self) -> &Slice {
         unsafe { mem::transmute(&*self.inner) }
     }
diff --git a/src/libstd/sys/unix/os_str.rs b/src/libstd/sys/unix/os_str.rs
index e0349387998..e43bc6da5f1 100644
--- a/src/libstd/sys/unix/os_str.rs
+++ b/src/libstd/sys/unix/os_str.rs
@@ -104,6 +104,11 @@ impl Buf {
         self.inner.shrink_to_fit()
     }
 
+    #[inline]
+    pub fn shrink_to(&mut self, min_capacity: usize) {
+        self.inner.shrink_to(min_capacity)
+    }
+
     pub fn as_slice(&self) -> &Slice {
         unsafe { mem::transmute(&*self.inner) }
     }
diff --git a/src/libstd/sys/wasm/os_str.rs b/src/libstd/sys/wasm/os_str.rs
index 543c22ebe18..84f560af69b 100644
--- a/src/libstd/sys/wasm/os_str.rs
+++ b/src/libstd/sys/wasm/os_str.rs
@@ -104,6 +104,11 @@ impl Buf {
         self.inner.shrink_to_fit()
     }
 
+    #[inline]
+    pub fn shrink_to(&mut self, min_capacity: usize) {
+        self.inner.shrink_to(min_capacity)
+    }
+
     pub fn as_slice(&self) -> &Slice {
         unsafe { mem::transmute(&*self.inner) }
     }
diff --git a/src/libstd/sys/windows/os_str.rs b/src/libstd/sys/windows/os_str.rs
index 414c9c5418e..bcc66b9954b 100644
--- a/src/libstd/sys/windows/os_str.rs
+++ b/src/libstd/sys/windows/os_str.rs
@@ -113,6 +113,11 @@ impl Buf {
         self.inner.shrink_to_fit()
     }
 
+    #[inline]
+    pub fn shrink_to(&mut self, min_capacity: usize) {
+        self.inner.shrink_to(min_capacity)
+    }
+
     #[inline]
     pub fn into_box(self) -> Box<Slice> {
         unsafe { mem::transmute(self.inner.into_box()) }
-- 
cgit 1.4.1-3-g733a5