Josh Stone 469ca379d6 Avoid rehashing Fingerprint as a map key ... This introduces a no-op `Unhasher` for map keys that are already hash- like, for example `Fingerprint` and its wrapper `DefPathHash`. For these we can directly produce the `u64` hash for maps. The first use of this is `def_path_hash_to_def_id: Option<UnhashMap<DefPathHash, DefId>>`.		2020-09-01 18:27:02 -07:00
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src	Avoid rehashing Fingerprint as a map key	2020-09-01 18:27:02 -07:00
Cargo.toml	datastructures: replace once_cell crate with an impl from std	2020-08-30 20:06:14 +01:00