typr-core 0.5.5

Core type checking and transpilation logic for TypR - a typed superset of R
Documentation 
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#![allow(
    dead_code,
    unused_variables,
    unused_imports,
    unreachable_code,
    unused_assignments
)]
use crate::components::language::HelpData;
use crate::components::language::Lang;

pub struct ArrayLang(Vec<Lang>, HelpData);

impl ArrayLang {
    pub fn get_first_argument(&self) -> Option<Lang> {
        if !self.0.is_empty() {
            Some(self.0[0].clone())
        } else {
            None
        }
    }
}

impl TryFrom<Lang> for ArrayLang {
    type Error = String;

    fn try_from(value: Lang) -> Result<Self, Self::Error> {
        match value {
            Lang::Array {
                value: arr,
                help_data: h,
            } => Ok(ArrayLang(arr, h)),
            _ => Err(format!("{} can't be an array", value.simple_print())),
        }
    }
}

impl TryFrom<&Box<Lang>> for ArrayLang {
    type Error = String;

    fn try_from(value: &Box<Lang>) -> Result<Self, Self::Error> {
        match (**value).clone() {
            Lang::Array {
                value: arr,
                help_data: h,
            } => Ok(ArrayLang(arr, h)),
            _ => Err(format!("{} can't be an array", value.simple_print())),
        }
    }
}