1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/rust/arrayvec/src/lib.rs b/third_party/rust/arrayvec/src/lib.rs
new file mode 100644
index 0000000000..5dc0273a70
--- /dev/null
+++ b/third_party/rust/arrayvec/src/lib.rs
@@ -0,0 +1,59 @@
+//! **arrayvec** provides the types [`ArrayVec`] and [`ArrayString`]: 
+//! array-backed vector and string types, which store their contents inline.
+//!
+//! The arrayvec package has the following cargo features:
+//!
+//! - `std`
+//!   - Optional, enabled by default
+//!   - Use libstd; disable to use `no_std` instead.
+//!
+//! - `serde`
+//!   - Optional
+//!   - Enable serialization for ArrayVec and ArrayString using serde 1.x
+//!
+//! ## Rust Version
+//!
+//! This version of arrayvec requires Rust 1.51 or later.
+//!
+#![doc(html_root_url="https://docs.rs/arrayvec/0.7/")]
+#![cfg_attr(not(feature="std"), no_std)]
+
+#[cfg(feature="serde")]
+extern crate serde;
+
+#[cfg(not(feature="std"))]
+extern crate core as std;
+
+pub(crate) type LenUint = u32;
+
+macro_rules! assert_capacity_limit {
+    ($cap:expr) => {
+        if std::mem::size_of::<usize>() > std::mem::size_of::<LenUint>() {
+            if $cap > LenUint::MAX as usize {
+                panic!("ArrayVec: largest supported capacity is u32::MAX")
+            }
+        }
+    }
+}
+
+macro_rules! assert_capacity_limit_const {
+    ($cap:expr) => {
+        if std::mem::size_of::<usize>() > std::mem::size_of::<LenUint>() {
+            if $cap > LenUint::MAX as usize {
+                [/*ArrayVec: largest supported capacity is u32::MAX*/][$cap]
+            }
+        }
+    }
+}
+
+mod arrayvec_impl;
+mod arrayvec;
+mod array_string;
+mod char;
+mod errors;
+mod utils;
+
+pub use crate::array_string::ArrayString;
+pub use crate::errors::CapacityError;
+
+pub use crate::arrayvec::{ArrayVec, IntoIter, Drain};