Put slicing syntax behind a feature gate.

[breaking-change]

If you are using slicing syntax you will need to add #![feature(slicing_syntax)] to your crate.

5 files changed, 10 insertions, 0 deletions

diff --git a/src/test/compile-fail/issue-15730.rs b/src/test/compile-fail/issue-15730.rs
index fc8c4e36075..c29e74af03c 100644
--- a/src/test/compile-fail/issue-15730.rs
+++ b/src/test/compile-fail/issue-15730.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#![feature(slicing_syntax)]
+
 fn main() {
     let mut array = [1, 2, 3];
 //~^ ERROR cannot determine a type for this local variable: cannot determine the type of this integ
diff --git a/src/test/compile-fail/slice-2.rs b/src/test/compile-fail/slice-2.rs
index fbfc438321c..63f79c808ae 100644
--- a/src/test/compile-fail/slice-2.rs
+++ b/src/test/compile-fail/slice-2.rs
@@ -10,6 +10,8 @@
 
 // Test that slicing syntax gives errors if we have not implemented the trait.
 
+#![feature(slicing_syntax)]
+
 struct Foo;
 
 fn main() {
diff --git a/src/test/compile-fail/slice-borrow.rs b/src/test/compile-fail/slice-borrow.rs
index 3d12511134f..00783b71ea1 100644
--- a/src/test/compile-fail/slice-borrow.rs
+++ b/src/test/compile-fail/slice-borrow.rs
@@ -10,6 +10,8 @@
 
 // Test slicing expressions doesn't defeat the borrow checker.
 
+#![feature(slicing_syntax)]
+
 fn main() {
     let y;
     {
diff --git a/src/test/compile-fail/slice-mut-2.rs b/src/test/compile-fail/slice-mut-2.rs
index 1176b637cec..09019448a67 100644
--- a/src/test/compile-fail/slice-mut-2.rs
+++ b/src/test/compile-fail/slice-mut-2.rs
@@ -10,6 +10,8 @@
 
 // Test mutability and slicing syntax.
 
+#![feature(slicing_syntax)]
+
 fn main() {
     let x: &[int] = &[1, 2, 3, 4, 5];
     // Can't mutably slice an immutable slice
diff --git a/src/test/compile-fail/slice-mut.rs b/src/test/compile-fail/slice-mut.rs
index 8cd7c4ed0bb..cbfa3ed85fd 100644
--- a/src/test/compile-fail/slice-mut.rs
+++ b/src/test/compile-fail/slice-mut.rs
@@ -10,6 +10,8 @@
 
 // Test mutability and slicing syntax.
 
+#![feature(slicing_syntax)]
+
 fn main() {
     let x: &[int] = &[1, 2, 3, 4, 5];
     // Immutable slices are not mutable.