bump msrv to 1.46 (#1858)

actix-http/README.md

@@ -12,7 +12,7 @@
 
 - [API Documentation](https://docs.rs/actix-http)
 - [Chat on Gitter](https://gitter.im/actix/actix-web)
-- Minimum Supported Rust Version (MSRV): 1.42.0
+- Minimum Supported Rust Version (MSRV): 1.46.0
 
 ## Example
 

actix-http/src/header/common/content_disposition.rs

@@ -318,9 +318,8 @@ impl ContentDisposition {
                 return Err(crate::error::ParseError::Header);
             }
             left = new_left;
-            if param_name.ends_with('*') {
+            if let Some(param_name) = param_name.strip_suffix('*') {
                 // extended parameters
-                let param_name = &param_name[..param_name.len() - 1]; // trim asterisk
                 let (ext_value, new_left) = split_once_and_trim(left, ';');
                 left = new_left;
                 let ext_value = header::parse_extended_value(ext_value)?;

actix-http/src/lib.rs

@@ -7,7 +7,6 @@
     clippy::new_without_default,
     clippy::borrow_interior_mutable_const
 )]
-#![allow(clippy::manual_strip)] // Allow this to keep MSRV(1.42).
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]
 #![doc(html_favicon_url = "https://actix.rs/favicon.ico")]