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Auto merge of #67597 - estebank:placeholder-type, r=oli-obk

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Suggest type param when encountering `_` in item signatures

Fix #27435.
This commit is contained in:
bors 2019-12-31 09:50:49 +00:00
commit 71bb0ff33e
9 changed files with 519 additions and 122 deletions
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10
src/librustc/query/mod.rs
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@ -398,6 +398,16 @@ rustc_queries! {
typeck_tables.map(|tables| &*tcx.arena.alloc(tables))
}
}
query diagnostic_only_typeck_tables_of(key: DefId) -> &'tcx ty::TypeckTables<'tcx> {
cache_on_disk_if { key.is_local() }
load_cached(tcx, id) {
let typeck_tables: Option<ty::TypeckTables<'tcx>> = tcx
.queries.on_disk_cache
.try_load_query_result(tcx, id);
typeck_tables.map(|tables| &*tcx.arena.alloc(tables))
}
}
}
Other {