Crate avila_cli 

Ávila CLI Parser - Ultra-Optimized v1.0.0

Zero-dependency command-line argument parser with advanced features. Provides compile-time type safety, constant-time lookups, and professional-grade features.

Features:

• Zero dependencies (pure Rust std)
• Colored output (ANSI escape codes)
• Shell completion generation (bash, zsh, fish, powershell)
• Argument groups and validation
• Custom validators
• Environment variable fallback
• Config file parsing (TOML-like)
• Lazy evaluation
• Macro helpers for rapid development
• Performance optimized (O(1) lookups, zero-copy parsing)

Macros

arg

Macro helper for argument definition

cli

Macro helper for rapid CLI definition

Structs

App

Command-line application parser

Arg

Command-line argument specification

ArgGroup

Argument group for mutual exclusion or requirements

Command

Subcommand definition

Matches

Parse result containing matched arguments

Enums

Shell

Shell completion type

ValueSource

Argument value source tracking

Type Aliases

Validator

Custom validator function type