impl From<[T; N]> for Vec<T>

jyn514 · jyn514 · commit 62722735fb62 · 2020-03-10T23:44:46.000Z
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
@@ -2397,6 +2397,13 @@ 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> {
+    fn from(arr: [T; N]) -> Vec<T> {
+        <[T]>::into_vec(box arr)
+    }
+}
+
 #[stable(feature = "vec_from_cow_slice", since = "1.14.0")]
 impl<'a, T> From<Cow<'a, [T]>> for Vec<T>
 where

Original file line number	Diff line number	Diff line change
`@@ -2397,6 +2397,13 @@ impl<T: Clone> From<&mut [T]> for Vec<T> {`
`2397`	`2397`	`}`
`2398`	`2398`	`}`
`2399`	`2399`
	`2400`	`+#[stable(feature = "vec_from_array", since = "1.42.0")]`
	`2401`	`+impl<T, const N: usize> From<[T; N]> for Vec<T> {`
	`2402`	`+ fn from(arr: [T; N]) -> Vec<T> {`
	`2403`	`+ <[T]>::into_vec(box arr)`
	`2404`	`+ }`
	`2405`	`+}`
	`2406`	`+`
`2400`	`2407`	`#[stable(feature = "vec_from_cow_slice", since = "1.14.0")]`
`2401`	`2408`	`impl<'a, T> From<Cow<'a, [T]>> for Vec<T>`
`2402`	`2409`	`where`