Method enter

src/group.rs:28–30

Indicates that a closure has entered self, and increments the current count of outstanding tasks. Returns a `GroupGuard` that should be dropped when the closure leaves self, decrementing the count.

(&self)

    /// count of outstanding tasks. Returns a `GroupGuard` that should be
    /// dropped when the closure leaves self, decrementing the count.
    pub fn enter(&self) -> GroupGuard {
        GroupGuard::new(self)
    }

    /// Submits a closure asynchronously to the given `Queue` and associates it
    /// with self.