1 files changed, 42 insertions, 0 deletions
diff --git a/third_party/rust/headers/src/common/accept_ranges.rs b/third_party/rust/headers/src/common/accept_ranges.rs
new file mode 100644
index 0000000000..cfea449982
--- /dev/null
+++ b/third_party/rust/headers/src/common/accept_ranges.rs
@@ -0,0 +1,42 @@
+use util::FlatCsv;
+
+/// `Accept-Ranges` header, defined in [RFC7233](http://tools.ietf.org/html/rfc7233#section-2.3)
+///
+/// The `Accept-Ranges` header field allows a server to indicate that it
+/// supports range requests for the target resource.
+///
+/// # ABNF
+///
+/// ```text
+/// Accept-Ranges     = acceptable-ranges
+/// acceptable-ranges = 1#range-unit / \"none\"
+///
+/// # Example values
+/// * `bytes`
+/// * `none`
+/// * `unknown-unit`
+/// ```
+///
+/// # Examples
+///
+/// ```
+/// use headers::{AcceptRanges, HeaderMap, HeaderMapExt};
+///
+/// let mut headers = HeaderMap::new();
+///
+/// headers.typed_insert(AcceptRanges::bytes());
+/// ```
+#[derive(Clone, Debug, PartialEq)]
+pub struct AcceptRanges(FlatCsv);
+
+derive_header! {
+    AcceptRanges(_),
+    name: ACCEPT_RANGES
+}
+
+impl AcceptRanges {
+    /// A constructor to easily create the common `Accept-Ranges: bytes` header.
+    pub fn bytes() -> Self {
+        AcceptRanges(::HeaderValue::from_static("bytes").into())
+    }
+}