rune 0.9.0

An embeddable dynamic programming language for Rust.
Documentation 
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use crate::ir::eval::prelude::*;

impl IrEval for ir::IrScope {
    type Output = IrValue;

    fn eval(
        &self,
        interp: &mut IrInterpreter<'_>,
        used: Used,
    ) -> Result<Self::Output, IrEvalOutcome> {
        interp.budget.take(self)?;
        let guard = interp.scopes.push();

        for ir in &self.instructions {
            let _ = ir.eval(interp, used)?;
        }

        let value = if let Some(last) = &self.last {
            last.eval(interp, used)?
        } else {
            IrValue::Unit
        };

        interp.scopes.pop(self, guard)?;
        Ok(value)
    }
}