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make all traits non-enumerable

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As discussed on Zulip, this actually matches the present behavior of
rustc.
This commit is contained in:
Niko Matsakis 2019-09-09 15:24:24 -04:00
parent 7258523a51
commit 65582933cf
1 changed files with 1 additions and 9 deletions
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10
crates/ra_hir/src/ty/traits/chalk.rs
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@ -356,14 +356,6 @@ fn make_binders<T>(value: T, num_vars: usize) -> chalk_ir::Binders<T> {
} }
} }
fn is_non_enumerable_trait(db: &impl HirDatabase, trait_: Trait) -> bool {
let name = trait_.name(db).unwrap_or_else(crate::Name::missing).to_string();
match &*name {
"Sized" => true,
_ => false,
}
}
fn convert_where_clauses( fn convert_where_clauses(
db: &impl HirDatabase, db: &impl HirDatabase,
def: GenericDef, def: GenericDef,
@ -503,7 +495,7 @@ pub(crate) fn trait_datum_query(
let flags = chalk_rust_ir::TraitFlags { let flags = chalk_rust_ir::TraitFlags {
auto: trait_.is_auto(db), auto: trait_.is_auto(db),
upstream: trait_.module(db).krate(db) != Some(krate), upstream: trait_.module(db).krate(db) != Some(krate),
non_enumerable: is_non_enumerable_trait(db, trait_), non_enumerable: true,
// FIXME set these flags correctly // FIXME set these flags correctly
marker: false, marker: false,
fundamental: false, fundamental: false,