harn-vm 0.8.0

Async bytecode virtual machine for the Harn programming language
Documentation 
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use std::collections::BTreeMap;
use std::rc::Rc;

use crate::value::VmValue;

#[derive(Debug, Clone)]
pub(super) struct ValidationResult {
    pub(super) value: VmValue,
    pub(super) errors: Vec<String>,
}

pub(super) fn result_ok_value(value: VmValue) -> VmValue {
    VmValue::enum_variant("Result", "Ok", vec![value])
}

pub(super) fn result_err_value(errors: Vec<String>, value: Option<VmValue>) -> VmValue {
    let mut payload = BTreeMap::new();
    payload.insert(
        "message".to_string(),
        VmValue::String(Rc::from(
            errors
                .first()
                .cloned()
                .unwrap_or_else(|| "schema validation failed".to_string()),
        )),
    );
    payload.insert(
        "errors".to_string(),
        VmValue::List(Rc::new(
            errors
                .into_iter()
                .map(|err| VmValue::String(Rc::from(err)))
                .collect(),
        )),
    );
    if let Some(value) = value {
        payload.insert("value".to_string(), value);
    }
    VmValue::enum_variant("Result", "Err", vec![VmValue::Dict(Rc::new(payload))])
}