Make raw standard stream constructors const

2 files changed, 6 insertions, 6 deletions

diff --git a/library/std/src/sys/windows/stdio.rs b/library/std/src/sys/windows/stdio.rs
index b2e5458c0d2..ff214497166 100644
--- a/library/std/src/sys/windows/stdio.rs
+++ b/library/std/src/sys/windows/stdio.rs
@@ -131,7 +131,7 @@ fn write_u16s(handle: c::HANDLE, data: &[u16]) -> io::Result<usize> {
 }
 
 impl Stdin {
-    pub fn new() -> Stdin {
+    pub const fn new() -> Stdin {
         Stdin { surrogate: 0 }
     }
 }
@@ -255,7 +255,7 @@ fn utf16_to_utf8(utf16: &[u16], utf8: &mut [u8]) -> io::Result<usize> {
 }
 
 impl Stdout {
-    pub fn new() -> Stdout {
+    pub const fn new() -> Stdout {
         Stdout
     }
 }
@@ -271,7 +271,7 @@ impl io::Write for Stdout {
 }
 
 impl Stderr {
-    pub fn new() -> Stderr {
+    pub const fn new() -> Stderr {
         Stderr
     }
 }
diff --git a/library/std/src/sys/windows/stdio_uwp.rs b/library/std/src/sys/windows/stdio_uwp.rs
index 0016f5dcd01..872511af862 100644
--- a/library/std/src/sys/windows/stdio_uwp.rs
+++ b/library/std/src/sys/windows/stdio_uwp.rs
@@ -30,7 +30,7 @@ fn write(handle_id: c::DWORD, data: &[u8]) -> io::Result<usize> {
 }
 
 impl Stdin {
-    pub fn new() -> Stdin {
+    pub const fn new() -> Stdin {
         Stdin {}
     }
 }
@@ -44,7 +44,7 @@ impl io::Read for Stdin {
 }
 
 impl Stdout {
-    pub fn new() -> Stdout {
+    pub const fn new() -> Stdout {
         Stdout
     }
 }
@@ -60,7 +60,7 @@ impl io::Write for Stdout {
 }
 
 impl Stderr {
-    pub fn new() -> Stderr {
+    pub const fn new() -> Stderr {
         Stderr
     }
 }