Auto merge of #44709 - Badel2:inclusive-range-dotdoteq, r=petrochenkov

Initial support for `..=` syntax

#28237

This PR adds `..=` as a synonym for `...` in patterns and expressions.
Since `...` in expressions was never stable, we now issue a warning.

cc @durka
r? @aturon

1 files changed, 3 insertions, 3 deletions

diff --git a/src/liballoc/tests/string.rs b/src/liballoc/tests/string.rs
index 6aba18ddf49..ef6f5e10a72 100644
--- a/src/liballoc/tests/string.rs
+++ b/src/liballoc/tests/string.rs
@@ -456,9 +456,9 @@ fn test_splice_char_boundary() {
 #[test]
 fn test_splice_inclusive_range() {
     let mut v = String::from("12345");
-    v.splice(2...3, "789");
+    v.splice(2..=3, "789");
     assert_eq!(v, "127895");
-    v.splice(1...2, "A");
+    v.splice(1..=2, "A");
     assert_eq!(v, "1A895");
 }
 
@@ -473,7 +473,7 @@ fn test_splice_out_of_bounds() {
 #[should_panic]
 fn test_splice_inclusive_out_of_bounds() {
     let mut s = String::from("12345");
-    s.splice(5...5, "789");
+    s.splice(5..=5, "789");
 }
 
 #[test]