examples/config.rs


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use interactive_object_builder::*;
use interactive_object_builder::dialoguer::DialoguerBackend;

#[derive(Debug)]
pub struct Configuration {
    verbose: bool,
    values: Vec<u8>,
}

impl BuildableCollection for Configuration {
    fn builder<B>(backend: B) -> Box<dyn CollectionBuilder<Output = Self>>
        where B: 'static + Backend
    {
        Box::new(ConfigStructBuilder(backend))
    }
}

pub struct ConfigStructBuilder<B: 'static + Backend>(B);
impl<B: 'static + Backend> CollectionBuilder for ConfigStructBuilder<B> {
    type Output = Configuration;

    fn build_collection(&self, value_desc: &str) -> Result<Self::Output> {
        println!("Building {}", value_desc);

        let verbose = bool::builder(self.0).build_value("Be verbose?")?;
        let values = Vec::<u8>::builder(self.0).build_collection("List of values")?;

        Ok(Configuration {
            verbose,
            values,
        })
    }
}

fn main() -> Result<()> {
    let c = Configuration::builder(DialoguerBackend).build_collection("config")?;
    dbg!(c);
    Ok(())
}