- Downgrade edition from 2024 to 2021 in Cargo.toml files for compatibility.

- Fix nested `if let` statements to improve readability and correctness.
- Reorganize imports for consistency and structure.

crates/example/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "example"
 version = "0.1.0"
-edition = "2024"
+edition = "2021"
 
 [features]
 # No-op features used only by the example to allow conditional compilation in docs/examples.

crates/example/src/main.rs

@@ -1,12 +1,12 @@
 use axum::{
-    Router,
     extract::{Path, Query},
     response::Json,
     routing::{delete, get, post, put},
+    Router,
 };
 use hyper_custom_cert::HttpClient;
 use serde::{Deserialize, Serialize};
-use serde_json::{Value, json};
+use serde_json::{json, Value};
 use std::collections::HashMap;
 use std::time::Duration;
 

crates/hyper-custom-cert/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "hyper-custom-cert"
 version = "0.3.6"
-edition = "2024"
+edition = "2021"
 description = "A small, ergonomic HTTP client wrapper around hyper with optional support for custom Root CAs and a dev-only insecure mode for self-signed certificates."
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/seemueller-io/hyper-custom-cert"

crates/hyper-custom-cert/src/lib.rs

@@ -37,7 +37,7 @@ use std::time::Duration;
 
 use bytes::Bytes;
 use http_body_util::BodyExt;
-use hyper::{Method, Request, Response, StatusCode, Uri, body::Incoming};
+use hyper::{body::Incoming, Method, Request, Response, StatusCode, Uri};
 use hyper_util::client::legacy::Client;
 use hyper_util::rt::TokioExecutor;
 
@@ -367,11 +367,11 @@ impl HttpClient {
         }
 
         // Add any request-specific headers from options
-        if let Some(options) = &options
+        if let Some(options) = &options {
-            && let Some(headers) = &options.headers
+            if let Some(headers) = &options.headers {
-        {
+                for (key, value) in headers {
-            for (key, value) in headers {
+                    req = req.header(key, value);
-                req = req.header(key, value);
+                }
             }
         }
 
@@ -503,11 +503,11 @@ impl HttpClient {
         }
 
         // Add any request-specific headers from options
-        if let Some(options) = &options
+        if let Some(options) = &options {
-            && let Some(headers) = &options.headers
+            if let Some(headers) = &options.headers {
-        {
+                for (key, value) in headers {
-            for (key, value) in headers {
+                    req = req.header(key, value);
-                req = req.header(key, value);
+                }
             }
         }
 
@@ -654,10 +654,10 @@ impl HttpClient {
                 // and NEVER in production environments. This creates a vulnerability to
                 // man-in-the-middle attacks and is extremely dangerous.
 
-                use rustls::DigitallySignedStruct;
-                use rustls::SignatureScheme;
                 use rustls::client::danger::{HandshakeSignatureValid, ServerCertVerified};
                 use rustls::pki_types::UnixTime;
+                use rustls::DigitallySignedStruct;
+                use rustls::SignatureScheme;
                 use std::sync::Arc;
 
                 // Override the certificate verifier with a no-op verifier that accepts all certificates
@@ -731,12 +731,12 @@ impl HttpClient {
             #[cfg(feature = "rustls")]
             let rustls_config = if let Some(ref pins) = self.pinned_cert_sha256 {
                 // Implement certificate pinning by creating a custom certificate verifier
-                use rustls::DigitallySignedStruct;
-                use rustls::SignatureScheme;
                 use rustls::client::danger::{
                     HandshakeSignatureValid, ServerCertVerified, ServerCertVerifier,
                 };
                 use rustls::pki_types::{CertificateDer, ServerName, UnixTime};
+                use rustls::DigitallySignedStruct;
+                use rustls::SignatureScheme;
                 use std::sync::Arc;
 
                 // Create a custom certificate verifier that checks certificate pins