impl_stable_hash_for: support enums and tuple structs with generic parameters#55722
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bors merged 1 commit intorust-lang:masterfrom Nov 14, 2018
Merged
impl_stable_hash_for: support enums and tuple structs with generic parameters#55722bors merged 1 commit intorust-lang:masterfrom
bors merged 1 commit intorust-lang:masterfrom
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r? @varkor (rust_highfive has picked a reviewer for you, use r? to override) |
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| // twice for this purpose | ||
| (impl<$($lt:lifetime $(: $lt_bound:lifetime)* ),* $(,)* $($T:ident),* $(,)*> | ||
| for enum $enum_name:path | ||
| [ $enum_path:path ] |
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This does seem a little unfortunate.
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Yeah I tried hard to avoid it, but I just found no way. You cannot concatenate to a path in macros, nor did I find a way to convert a tt into a path.
I tried using a keyword as separator between the two paths, or @, but the compiler rejected everything. I basically randomly tried separators and brackets were the first one that worked.^^
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This seems like a clear win, even if it does require repeating the enum name for the variants. @bors r+ |
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📌 Commit db3c69e has been approved by |
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impl_stable_hash_for: support enums and tuple structs with generic parameters Port a bunch of implementations over to the macro, now that that is possible.
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impl_stable_hash_for: support enums and tuple structs with generic parameters Port a bunch of implementations over to the macro, now that that is possible.
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Rollup of 20 pull requests Successful merges: - #55136 (Remove short doc where it starts with a codeblock) - #55711 (Format BtreeMap::range_mut example) - #55722 (impl_stable_hash_for: support enums and tuple structs with generic parameters) - #55754 (Avoid converting bytes to UTF-8 strings to print, just pass bytes to stdout/err) - #55804 (rustdoc: don't inline `pub use some_crate` unless directly asked to) - #55805 (Move `static_assert!` into librustc_data_structures) - #55837 (Make PhantomData #[structural_match]) - #55840 (Fix TLS errors when downloading stage0) - #55843 (add FromIterator<A> to Box<[A]>) - #55858 (Small fixes on code blocks in rustdoc) - #55863 (Fix a typo in std::panic) - #55870 (Fix typos.) - #55874 (string: Add documentation for `From` impls) - #55879 (save-analysis: Don't panic for macro-generated use globs) - #55882 (Reference count `crate_inherent_impls`s return value.) - #55888 (miri: for uniformity, also move memory_deallocated to AllocationExtra) - #55889 (global allocators: add a few comments) - #55896 (Document optimizations enabled by FusedIterator) - #55905 (Change `Lit::short_name` to `Lit::literal_name`.) - #55908 (Fix their/there grammar nit)
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Port a bunch of implementations over to the macro, now that that is possible.