appcui 0.4.8

A feature-rich and cross-platform TUI/CUI framework for Rust, enabling modern terminal-based applications on Windows, Linux, and macOS. Includes built-in UI components like buttons, menus, list views, tree views, checkboxes, and more. Perfect for building fast and interactive CLI tools and text-based interfaces.
Documentation 
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use super::command_parser::{CommandParser, ParserError};

pub(super) struct CheckHashCommand {
    value: u64,
}

impl CheckHashCommand {
    pub(super) fn new(parser: &CommandParser) -> Result<Self, ParserError> {
        if parser.get_params_count() != 1 {
            return Err(ParserError::new("CheckHash command has one parameters !"));
        }
        if let Some(hash) = parser.get_hash(0) {
            Ok(Self { value: hash })
        } else {
            Err(ParserError::new("CheckHash (invalid hash) --> use a hexadecimal format 0x...."))
        }
    }
    pub(super) fn get_hash(&self) -> u64 {
        self.value
    }
}