From da0b8417b33e3cb18fca2972acaad60801fd1f5c Mon Sep 17 00:00:00 2001
From: lightning1141 <lightning1141@gmail.com>
Date: Sun, 27 Nov 2022 21:04:12 +0800
Subject: [PATCH] Add HeaderMap collect from arra

act like `HashMap` from std from 1.56.0

ref: https://doc.rust-lang.org/stable/std/collections/struct.HashMap.html#impl-From%3C%5B(K%2C%20V)%3B%20N%5D%3E-for-HashMap%3CK%2C%20V%2C%20RandomState%3E
---
 src/header/map.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/header/map.rs b/src/header/map.rs
index 13cbc3a3..cf6fc887 100644
--- a/src/header/map.rs
+++ b/src/header/map.rs
@@ -1813,6 +1813,12 @@ impl<T> IntoIterator for HeaderMap<T> {
     }
 }
 
+impl<T, const N: usize> From<[(HeaderName, T); N]> for HeaderMap<T> {
+    fn from(arr: [(HeaderName, T); N]) -> Self {
+        Self::from_iter(arr)
+    }
+}
+
 impl<T> FromIterator<(HeaderName, T)> for HeaderMap<T> {
     fn from_iter<I>(iter: I) -> Self
     where