TheRawMeatball d9b8b3e618 Add EventWriter (#1575) ... This adds a `EventWriter<T>` `SystemParam` that is just a thin wrapper around `ResMut<Events<T>>`. This is primarily to have API symmetry between the reader and writer, and has the added benefit of easily improving the API later with no breaking changes.		2021-03-07 20:42:04 +00:00
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src	Add EventWriter (#1575)	2021-03-07 20:42:04 +00:00
Cargo.toml	Update crossbeam-channel requirement from 0.4.4 to 0.5.0 (#668)	2021-02-01 13:30:38 -08:00