1 files changed, 15 insertions, 3 deletions
diff --git a/src/encoding/headermap.rs b/src/encoding/headermap.rs
index 313d8b5..2f9f097 100644
--- a/src/encoding/headermap.rs
+++ b/src/encoding/headermap.rs
@@ -13,11 +13,17 @@ impl HeaderMap {
         self.0.push((H::NAME.to_string(), format!("{h}")));
         self
     }
-    pub fn get<H: Header>(&self) -> Option<Result<H>> {
+    pub fn insert<H: Header>(&mut self, h: H) {
+        self.0.push((H::NAME.to_string(), format!("{h}")));
+    }
+    pub fn get_raw(&self, name: &str) -> Option<&str> {
         self.0
             .iter()
-            .find(|(k, _)| k == H::NAME)
-            .map(|(_, v)| H::from_str(v))
+            .find(|(k, _)| k.eq_ignore_ascii_case(name))
+            .map(|(_, v)| v.as_str())
+    }
+    pub fn get<H: Header>(&self) -> Option<Result<H>> {
+        self.get_raw(H::NAME).map(H::from_str)
     }
     pub fn insert_raw(&mut self, key: String, value: String) {
         self.0.push((key, value))
@@ -32,3 +38,9 @@ impl Display for HeaderMap {
         Ok(())
     }
 }
+
+impl FromIterator<(String, String)> for HeaderMap {
+    fn from_iter<T: IntoIterator<Item = (String, String)>>(iter: T) -> Self {
+        Self(Vec::from_iter(iter))
+    }
+}