Add headers::HeaderValues

Author: yoshuawuyts

src/headers/header_values.rs

@@ -0,0 +1,44 @@
+use crate::headers::HeaderValue;
+use std::fmt::{self, Display};
+
+/// A list of `HeaderValue`s.
+///
+/// This always contains at least one header value.
+#[derive(Debug)]
+pub struct HeaderValues {
+    inner: Vec<HeaderValue>,
+}
+
+impl Display for HeaderValues {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let mut list = f.debug_list();
+        for v in &self.inner {
+            list.entry(&v);
+        }
+        list.finish()
+    }
+}
+
+impl PartialEq<str> for HeaderValues {
+    fn eq(&self, other: &str) -> bool {
+        self.inner[0] == other
+    }
+}
+
+impl<'a> PartialEq<&'a str> for HeaderValues {
+    fn eq(&self, other: &&'a str) -> bool {
+        &self.inner[0] == other
+    }
+}
+
+impl PartialEq<String> for HeaderValues {
+    fn eq(&self, other: &String) -> bool {
+        &self.inner[0] == other
+    }
+}
+
+impl<'a> PartialEq<&String> for HeaderValues {
+    fn eq(&self, other: &&String) -> bool {
+        &&self.inner[0] == other
+    }
+}

src/headers/mod.rs

@@ -7,6 +7,7 @@ use std::iter::IntoIterator;
 mod constants;
 mod header_name;
 mod header_value;
+mod header_values;
 mod into_iter;
 mod iter;
 mod iter_mut;
@@ -17,6 +18,7 @@ mod values;
 pub use constants::*;
 pub use header_name::HeaderName;
 pub use header_value::HeaderValue;
+pub use header_values::HeaderValues;
 pub use into_iter::IntoIter;
 pub use iter::Iter;
 pub use iter_mut::IterMut;