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authorBrian Cully <bjc@kublai.com>2019-08-06 16:31:34 -0400
committerBrian Cully <bjc@kublai.com>2019-08-06 16:31:34 -0400
commit392239c7f522acb7ca5847a48dd9ab2480242924 (patch)
treeb02f1f568085ae1dcb3c33c780d49a8d1a77a2eb /src/cs
parentb0c6c4f9a45cf2b965acd3d10499e9df54929b36 (diff)
downloadclint-392239c7f522acb7ca5847a48dd9ab2480242924.tar.gz
clint-392239c7f522acb7ca5847a48dd9ab2480242924.zip
Add compatibilty with rust-stable.
* Add feature flag for const-fn functionality, which simplifies some things and lets this crate run on architectures where atomic CAS isn't available (e.g., thumbv6). * Remove `const fn` where necessary to compile under rust-stable. * BREAKING CHANGE - Change signature of `Handler::replace` to take a mutable borrow. This is required because the underlying type is now a NonNull, which needs `mut`. The old behavior was never desired, but a consequence of trying to avoid `Option` by using a default handler. * Use lazy_static crate for initialization of Handler/HandlerArray. * Specify Sync for Handler. This is not amazing, since it isn't, but it's necessary for initialization in static contexts inside `lazy_static`. This should be fine, because any actual manipulation of the handler is done in unsafe functions.
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