Function handle

pub async fn handle(
    function: String,
    arguments: Map<FullValue>,
    working_dir: PathBuf,
) -> Result<PackageResult, LetError>

Edited: working with new callback interface + events.

Handles a package containing ExeCUtable code (ECU).

Arguments

• function: The function name to execute in the package.
• arguments: The arguments, as a map of argument name / value pairs.
• working_dir: The wokring directory for this package.
• callback: The callback object we use to keep in touch with the driver.

Returns
The return state of the package call on success, or a LetError otherwise.