Function lookup_plugin

examples/wasip2-plugins/src/main.rs:25–33

(
    state: &'a mut CalculatorState,
    op: &str,
)

}

fn lookup_plugin<'a>(
    state: &'a mut CalculatorState,
    op: &str,
) -> wasmtime::Result<&'a mut PluginDesc> {
    state
        .plugin_descs
        .get_mut(op)
        .ok_or(format_err!("unknown operation {}", op))
}

impl BinaryOperation {
    fn run(self, state: &mut CalculatorState) -> wasmtime::Result<()> {