rust: alloc: add SPDX License Identifiers

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Author: ojeda

Diff for: rust/alloc/alloc.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! Memory allocation APIs
 
 #![stable(feature = "alloc_module", since = "1.28.0")]

Diff for: rust/alloc/borrow.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! A module for working with borrowed data.
 
 #![stable(feature = "rust1", since = "1.0.0")]

Diff for: rust/alloc/boxed.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! A pointer type for heap allocation.
 //!
 //! [`Box<T>`], casually referred to as a 'box', provides the simplest form of

Diff for: rust/alloc/collections/mod.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! Collection types.
 
 #![stable(feature = "rust1", since = "1.0.0")]

Diff for: rust/alloc/fmt.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! Utilities for formatting and printing `String`s.
 //!
 //! This module contains the runtime support for the [`format!`] syntax extension.

Diff for: rust/alloc/lib.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! # The Rust core allocation and collections library
 //!
 //! This library provides smart pointers and collections for managing

Diff for: rust/alloc/macros.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 /// Creates a [`Vec`] containing the arguments.
 ///
 /// `vec!` allows `Vec`s to be defined with the same syntax as array expressions.

Diff for: rust/alloc/prelude/mod.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! The alloc Prelude
 //!
 //! The purpose of this module is to alleviate imports of commonly-used

Diff for: rust/alloc/prelude/v1.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! The first version of the prelude of `alloc` crate.
 //!
 //! See the [module-level documentation](../index.html) for more.

Diff for: rust/alloc/raw_vec.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 #![unstable(feature = "raw_vec_internals", reason = "implementation detail", issue = "none")]
 #![doc(hidden)]
 

Diff for: rust/alloc/rc.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! Single-threaded reference-counting pointers. 'Rc' stands for 'Reference
 //! Counted'.
 //!

Diff for: rust/alloc/slice.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! A dynamically-sized view into a contiguous sequence, `[T]`.
 //!
 //! *[See also the slice primitive type](slice).*

Diff for: rust/alloc/str.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! Unicode string slices.
 //!
 //! *[See also the `str` primitive type](str).*

Diff for: rust/alloc/string.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! A UTF-8–encoded, growable string.
 //!
 //! This module contains the [`String`] type, the [`ToString`] trait for

Diff for: rust/alloc/sync.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 #![stable(feature = "rust1", since = "1.0.0")]
 
 //! Thread-safe reference-counting pointers.

Diff for: rust/alloc/vec/drain.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use crate::alloc::{Allocator, Global};
 use core::fmt;
 use core::iter::{FusedIterator, TrustedLen};

Diff for: rust/alloc/vec/drain_filter.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use crate::alloc::{Allocator, Global};
 use core::ptr::{self};
 use core::slice::{self};

Diff for: rust/alloc/vec/into_iter.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use crate::alloc::{Allocator, Global};
 use crate::raw_vec::RawVec;
 use core::fmt;

Diff for: rust/alloc/vec/is_zero.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use crate::boxed::Box;
 
 #[rustc_specialization_trait]

Diff for: rust/alloc/vec/mod.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! A contiguous growable array type with heap-allocated contents, written
 //! `Vec<T>`.
 //!

Diff for: rust/alloc/vec/partial_eq.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use crate::alloc::Allocator;
 #[cfg(not(no_global_oom_handling))]
 use crate::borrow::Cow;

Diff for: rust/alloc/vec/set_len_on_drop.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 // Set the length of the vec when the `SetLenOnDrop` value goes out of scope.
 //
 // The idea is: The length field in SetLenOnDrop is a local variable

Diff for: rust/alloc/vec/spec_extend.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use crate::alloc::Allocator;
 use core::iter::TrustedLen;
 use core::ptr::{self};