Macro agnostic_async_executor::check

macro_rules! check {
    ($helper:expr, $val:expr) => { ... };
}

A macro to perform a check inside an agnostic executor test, this is the preferred way to check because it provides better information if the check fails. You should always use checks instead of asserts if you want to be sure errors are cached in all executors and situations, specially but not only in wasm. TODO Example