# Macro miri::callback

source ·

    macro_rules! callback {
        (
            @capture<$tcx:lifetime $(,)? $($lft:lifetime),*> { $($name:ident: $type:ty),* $(,)? }
            @unblock = |$this:ident| $unblock:block
        ) => { ... };
        (
            @capture<$tcx:lifetime $(,)? $($lft:lifetime),*> { $($name:ident: $type:ty),* $(,)? }
            @unblock = |$this:ident| $unblock:block
            @timeout = |$this_timeout:ident| $timeout:block
        ) => { ... };
    }