macro_rules! spawn_block {
(in $world:ident -> $($closure:tt)*) => { ... };
(in $world:ident for $entity:ident -> $($closure:tt)*) => { ... };
(for $entity:ident in $world:ident -> $($closure:tt)*) => { ... };
(local $world:ident -> $($closure:tt)*) => { ... };
(local $world:ident for $entity:ident -> $($closure:tt)*) => { ... };
(for $entity:ident local $world:ident -> $($closure:tt)*) => { ... };
(for $entity:ident -> $($closure:tt)*) => { ... };
}Expand description
Spawns code block as a flow.