Remove some unnecessary uses of once_cell::sync::Lazy (#2816)

actix-http-test/Cargo.toml

@@ -40,7 +40,7 @@ awc = { version = "3", default-features = false }
 base64 = "0.13"
 bytes = "1"
 futures-core = { version = "0.3.7", default-features = false }
-http = "0.2.5"
+http = "0.2.8"
 log = "0.4"
 socket2 = "0.4"
 serde = "1.0"

actix-http/Cargo.toml

@@ -68,7 +68,7 @@ bytestring = "1"
 derive_more = "0.99.5"
 encoding_rs = "0.8"
 futures-core = { version = "0.3.7", default-features = false, features = ["alloc"] }
-http = "0.2.5"
+http = "0.2.8"
 httparse = "1.5.1"
 httpdate = "1.0.1"
 itoa = "1"

actix-router/Cargo.toml

@@ -21,14 +21,14 @@ default = ["http"]
 
 [dependencies]
 bytestring = ">=0.1.5, <2"
-http = { version = "0.2.3", optional = true }
+http = { version = "0.2.8", optional = true }
 regex = "1.5"
 serde = "1"
 tracing = { version = "0.1.30", default-features = false, features = ["log"] }
 
 [dev-dependencies]
 criterion = { version = "0.3", features = ["html_reports"] }
-http = "0.2.5"
+http = "0.2.8"
 serde = { version = "1", features = ["derive"] }
 percent-encoding = "2.1"
 

actix-web/src/info.rs

@@ -2,7 +2,6 @@ use std::{convert::Infallible, net::SocketAddr};
 
 use actix_utils::future::{err, ok, Ready};
 use derive_more::{Display, Error};
-use once_cell::sync::Lazy;
 
 use crate::{
     dev::{AppConfig, Payload, RequestHead},
@@ -13,12 +12,9 @@ use crate::{
     FromRequest, HttpRequest, ResponseError,
 };
 
-static X_FORWARDED_FOR: Lazy<HeaderName> =
-    Lazy::new(|| HeaderName::from_static("x-forwarded-for"));
-static X_FORWARDED_HOST: Lazy<HeaderName> =
-    Lazy::new(|| HeaderName::from_static("x-forwarded-host"));
-static X_FORWARDED_PROTO: Lazy<HeaderName> =
-    Lazy::new(|| HeaderName::from_static("x-forwarded-proto"));
+static X_FORWARDED_FOR: HeaderName = HeaderName::from_static("x-forwarded-for");
+static X_FORWARDED_HOST: HeaderName = HeaderName::from_static("x-forwarded-host");
+static X_FORWARDED_PROTO: HeaderName = HeaderName::from_static("x-forwarded-proto");
 
 /// Trim whitespace then any quote marks.
 fn unquote(val: &str) -> &str {
@@ -117,21 +113,21 @@ impl ConnectionInfo {
         }
 
         let scheme = scheme
-            .or_else(|| first_header_value(req, &*X_FORWARDED_PROTO))
+            .or_else(|| first_header_value(req, &X_FORWARDED_PROTO))
             .or_else(|| req.uri.scheme().map(Scheme::as_str))
             .or_else(|| Some("https").filter(|_| cfg.secure()))
             .unwrap_or("http")
             .to_owned();
 
         let host = host
-            .or_else(|| first_header_value(req, &*X_FORWARDED_HOST))
+            .or_else(|| first_header_value(req, &X_FORWARDED_HOST))
             .or_else(|| req.headers.get(&header::HOST)?.to_str().ok())
             .or_else(|| req.uri.authority().map(Authority::as_str))
             .unwrap_or_else(|| cfg.host())
             .to_owned();
 
         let realip_remote_addr = realip_remote_addr
-            .or_else(|| first_header_value(req, &*X_FORWARDED_FOR))
+            .or_else(|| first_header_value(req, &X_FORWARDED_FOR))
             .map(str::to_owned);
 
         let peer_addr = req.peer_addr.map(|addr| addr.ip().to_string());

actix-web/src/middleware/compress.rs

@@ -220,32 +220,25 @@ static SUPPORTED_ENCODINGS_STRING: Lazy<String> = Lazy::new(|| {
     encoding.join(", ")
 });
 
-static SUPPORTED_ENCODINGS: Lazy<Vec<Encoding>> = Lazy::new(|| {
-    let mut encodings = vec![Encoding::identity()];
-
+static SUPPORTED_ENCODINGS: &[Encoding] = &[
+    Encoding::identity(),
     #[cfg(feature = "compress-brotli")]
     {
-        encodings.push(Encoding::brotli());
-    }
-
+        Encoding::brotli()
+    },
     #[cfg(feature = "compress-gzip")]
     {
-        encodings.push(Encoding::gzip());
-        encodings.push(Encoding::deflate());
-    }
-
+        Encoding::gzip()
+    },
+    #[cfg(feature = "compress-gzip")]
+    {
+        Encoding::deflate()
+    },
     #[cfg(feature = "compress-zstd")]
     {
-        encodings.push(Encoding::zstd());
-    }
-
-    assert!(
-        !encodings.is_empty(),
-        "encodings can not be empty unless __compress feature has been explicitly enabled by itself"
-    );
-
-    encodings
-});
+        Encoding::zstd()
+    },
+];
 
 // move cfg(feature) to prevents_double_compressing if more tests are added
 #[cfg(feature = "compress-gzip")]

awc/Cargo.toml

@@ -73,7 +73,7 @@ derive_more = "0.99.5"
 futures-core = { version = "0.3.7", default-features = false, features = ["alloc"] }
 futures-util = { version = "0.3.7", default-features = false, features = ["alloc", "sink"] }
 h2 = "0.3.9"
-http = "0.2.5"
+http = "0.2.8"
 itoa = "1"
 log =" 0.4"
 mime = "0.3"