limit From impl to LengthAtMost32

jyn514 · Centril · jyn514 · commit f267d9dc191d · 2020-03-10T23:44:46.000Z
Co-Authored-By: Mazdak Farrokhzad &lt;twingoow@gmail.com&gt;
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
@@ -2398,7 +2398,10 @@ impl<T: Clone> From<&mut [T]> for Vec<T> {
 }
 
 #[stable(feature = "vec_from_array", since = "1.42.0")]
-impl<T, const N: usize> From<[T; N]> for Vec<T> {
+impl<T, const N: usize> From<[T; N]> for Vec<T>
+where
+    [T; N]: LengthAtMost32,
+{
     fn from(arr: [T; N]) -> Self {
         <[T]>::into_vec(box arr)
     }

Original file line number	Diff line number	Diff line change
`@@ -2398,7 +2398,10 @@ impl<T: Clone> From<&mut [T]> for Vec<T> {`
`2398`	`2398`	`}`
`2399`	`2399`
`2400`	`2400`	`#[stable(feature = "vec_from_array", since = "1.42.0")]`
`2401`		`-impl<T, const N: usize> From<[T; N]> for Vec<T> {`
	`2401`	`+impl<T, const N: usize> From<[T; N]> for Vec<T>`
	`2402`	`+where`
	`2403`	`+ [T; N]: LengthAtMost32,`
	`2404`	`+{`
`2402`	`2405`	`fn from(arr: [T; N]) -> Self {`
`2403`	`2406`	`<[T]>::into_vec(box arr)`
`2404`	`2407`	`}`