perf(config): Avoid unnecessary configurations

[0x676e67]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @0x676e67, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances performance by optimizing how configuration options are handled. Previously, default configuration objects were instantiated and processed even when no custom settings were supplied. The updated code now ensures that configuration logic is executed only when explicit parameters are provided, thereby eliminating superfluous object creation and function calls and improving overall efficiency.

Highlights

• Performance Optimization: Configuration options are now only processed when explicitly provided, avoiding unnecessary default object creation and function calls.
• Conditional Configuration Application: The application of configuration parameters using apply_option! macros is now guarded by if let Some(...) blocks, ensuring efficiency when no custom settings are present.
• Code Refinement: Redundant calls to get_or_insert_default() or unwrap_or_default() for optional configuration builders have been removed.

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[gemini-code-assist]

Code Review

This pull request introduces a performance optimization by avoiding the creation of default configuration objects when no options are provided. The changes consistently replace unwrap_or_default() and get_or_insert_default() with if let Some(...) blocks across various configuration builders (Http1Options, Http2Options, TlsOptions, and for Proxy). This correctly prevents unnecessary allocations and processing, aligning with the goal of improving performance. The implementation is sound and well-executed across all modified files.