Macro debug_assert_poll_ready 

macro_rules! debug_assert_poll_ready {
    ($($arg:tt)*) => { ... };
}

👎Deprecated:

Please rename from debug_assert_poll_ready into debug_assert_ready because more developers prefer the shorter name.

Assert poll.is_ready() is true.

Deprecated. lease rename from debug_assert_poll_ready into debug_assert_ready because more developers prefer the shorter name.