sim-lib-compute-cli 0.2.0

Loadable compute command surface for SIM.
Documentation 
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//! Bootloader envelope decoding for the compute entrypoint.

use sim_kernel::{Cx, Error, Expr, Result, Symbol, Value};

/// Extracts payload arguments from the generic CLI envelope.
pub fn envelope_args(cx: &mut Cx, envelope: &Value) -> Result<Vec<String>> {
    let Some(table) = envelope.object().as_table_impl() else {
        return Err(Error::Eval(
            "compute CLI envelope is not a table".to_owned(),
        ));
    };
    let value = table.get(cx, Symbol::new("args"))?;
    let Expr::List(items) = value.object().as_expr(cx)? else {
        return Err(Error::TypeMismatch {
            expected: "argument list",
            found: "non-list",
        });
    };
    items
        .into_iter()
        .map(|item| match item {
            Expr::String(value) => Ok(value),
            _ => Err(Error::TypeMismatch {
                expected: "string argument",
                found: "non-string",
            }),
        })
        .collect()
}