src/options/file_name.rs


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use crate::options::{flags, OptionsError};
use crate::options::parser::MatchedFlags;

use crate::output::file_name::{Options, Classify};


impl Options {
    pub fn deduce(matches: &MatchedFlags<'_>) -> Result<Self, OptionsError> {
        Classify::deduce(matches)
                 .map(|classify| Self { classify })
    }
}

impl Classify {
    fn deduce(matches: &MatchedFlags<'_>) -> Result<Self, OptionsError> {
        let flagged = matches.has(&flags::CLASSIFY)?;

        if flagged { Ok(Self::AddFileIndicators) }
              else { Ok(Self::JustFilenames) }
    }
}