stabilize is_sorted

Author: slanterns

clippy_lints/src/lib.rs

@@ -5,7 +5,6 @@
 #![feature(f128)]
 #![feature(f16)]
 #![feature(if_let_guard)]
-#![feature(is_sorted)]
 #![feature(iter_intersperse)]
 #![feature(iter_partition_in_place)]
 #![feature(let_chains)]

tests/compile-test.rs

@@ -1,4 +1,3 @@
-#![feature(is_sorted)]
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
 #![warn(rust_2018_idioms, unused_lifetimes)]
 #![allow(unused_extern_crates)]

tests/ui/unit_return_expecting_ord.rs

@@ -2,7 +2,6 @@
 #![allow(clippy::needless_return)]
 #![allow(clippy::unused_unit)]
 #![allow(clippy::useless_vec)]
-#![feature(is_sorted)]
 
 struct Struct {
     field: isize,

tests/ui/unit_return_expecting_ord.stderr

@@ -1,37 +1,37 @@
 error: this closure returns the unit type which also implements Ord
-  --> tests/ui/unit_return_expecting_ord.rs:19:25
+  --> tests/ui/unit_return_expecting_ord.rs:18:25
    |
 LL |     structs.sort_by_key(|s| {
    |                         ^^^
    |
 help: probably caused by this trailing semicolon
-  --> tests/ui/unit_return_expecting_ord.rs:21:24
+  --> tests/ui/unit_return_expecting_ord.rs:20:24
    |
 LL |         double(s.field);
    |                        ^
    = note: `-D clippy::unit-return-expecting-ord` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::unit_return_expecting_ord)]`
 
 error: this closure returns the unit type which also implements PartialOrd
-  --> tests/ui/unit_return_expecting_ord.rs:24:30
+  --> tests/ui/unit_return_expecting_ord.rs:23:30
    |
 LL |     structs.is_sorted_by_key(|s| {
    |                              ^^^
    |
 help: probably caused by this trailing semicolon
-  --> tests/ui/unit_return_expecting_ord.rs:26:24
+  --> tests/ui/unit_return_expecting_ord.rs:25:24
    |
 LL |         double(s.field);
    |                        ^
 
 error: this closure returns the unit type which also implements PartialOrd
-  --> tests/ui/unit_return_expecting_ord.rs:28:30
+  --> tests/ui/unit_return_expecting_ord.rs:27:30
    |
 LL |     structs.is_sorted_by_key(|s| {
    |                              ^^^
 
 error: this closure returns the unit type which also implements Ord
-  --> tests/ui/unit_return_expecting_ord.rs:39:25
+  --> tests/ui/unit_return_expecting_ord.rs:38:25
    |
 LL |     structs.sort_by_key(|s| unit(s.field));
    |                         ^^^