Fix two const-hacks

1 files changed, 4 insertions, 15 deletions

diff --git a/library/std/src/sys/pal/windows/args.rs b/library/std/src/sys/pal/windows/args.rs
index 848632ec2a7..e9fc19bcb99 100644
--- a/library/std/src/sys/pal/windows/args.rs
+++ b/library/std/src/sys/pal/windows/args.rs
@@ -18,17 +18,6 @@ use crate::sys_common::AsInner;
 use crate::sys_common::wstr::WStrUnits;
 use crate::{fmt, io, iter, vec};
 
-/// This is the const equivalent to `NonZero::new(n).unwrap()`
-///
-/// FIXME(const-hack): This can be removed once `Option::unwrap` is stably const.
-/// See the `const_option` feature (#67441).
-const fn non_zero_u16(n: u16) -> NonZero<u16> {
-    match NonZero::new(n) {
-        Some(n) => n,
-        None => panic!("called `unwrap` on a `None` value"),
-    }
-}
-
 pub fn args() -> Args {
     // SAFETY: `GetCommandLineW` returns a pointer to a null terminated UTF-16
     // string so it's safe for `WStrUnits` to use.
@@ -66,10 +55,10 @@ fn parse_lp_cmd_line<'a, F: Fn() -> OsString>(
     lp_cmd_line: Option<WStrUnits<'a>>,
     exe_name: F,
 ) -> Vec<OsString> {
-    const BACKSLASH: NonZero<u16> = non_zero_u16(b'\\' as u16);
-    const QUOTE: NonZero<u16> = non_zero_u16(b'"' as u16);
-    const TAB: NonZero<u16> = non_zero_u16(b'\t' as u16);
-    const SPACE: NonZero<u16> = non_zero_u16(b' ' as u16);
+    const BACKSLASH: NonZero<u16> = NonZero::new(b'\\' as u16).unwrap();
+    const QUOTE: NonZero<u16> = NonZero::new(b'"' as u16).unwrap();
+    const TAB: NonZero<u16> = NonZero::new(b'\t' as u16).unwrap();
+    const SPACE: NonZero<u16> = NonZero::new(b' ' as u16).unwrap();
 
     let mut ret_val = Vec::new();
     // If the cmd line pointer is null or it points to an empty string then