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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /vendor/proc-macro2/src/marker.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/proc-macro2/src/marker.rs')
-rw-r--r-- | vendor/proc-macro2/src/marker.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/vendor/proc-macro2/src/marker.rs b/vendor/proc-macro2/src/marker.rs new file mode 100644 index 000000000..58729baf4 --- /dev/null +++ b/vendor/proc-macro2/src/marker.rs @@ -0,0 +1,18 @@ +use std::marker::PhantomData; +use std::panic::{RefUnwindSafe, UnwindSafe}; +use std::rc::Rc; + +// Zero sized marker with the correct set of autotrait impls we want all proc +// macro types to have. +pub(crate) type Marker = PhantomData<ProcMacroAutoTraits>; + +pub(crate) use self::value::*; + +mod value { + pub(crate) use std::marker::PhantomData as Marker; +} + +pub(crate) struct ProcMacroAutoTraits(Rc<()>); + +impl UnwindSafe for ProcMacroAutoTraits {} +impl RefUnwindSafe for ProcMacroAutoTraits {} |