diff options
Diffstat (limited to 'crates/ra_hir_ty/src/utils.rs')
-rw-r--r-- | crates/ra_hir_ty/src/utils.rs | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/crates/ra_hir_ty/src/utils.rs b/crates/ra_hir_ty/src/utils.rs index c45820ff0..e3e244268 100644 --- a/crates/ra_hir_ty/src/utils.rs +++ b/crates/ra_hir_ty/src/utils.rs | |||
@@ -110,38 +110,6 @@ pub(super) fn all_super_trait_refs(db: &dyn HirDatabase, trait_ref: TraitRef) -> | |||
110 | result | 110 | result |
111 | } | 111 | } |
112 | 112 | ||
113 | /// Finds a path from a trait to one of its super traits. Returns an empty | ||
114 | /// vector if there is no path. | ||
115 | pub(super) fn find_super_trait_path( | ||
116 | db: &dyn DefDatabase, | ||
117 | trait_: TraitId, | ||
118 | super_trait: TraitId, | ||
119 | ) -> Vec<TraitId> { | ||
120 | let mut result = Vec::with_capacity(2); | ||
121 | result.push(trait_); | ||
122 | return if go(db, super_trait, &mut result) { result } else { Vec::new() }; | ||
123 | |||
124 | fn go(db: &dyn DefDatabase, super_trait: TraitId, path: &mut Vec<TraitId>) -> bool { | ||
125 | let trait_ = *path.last().unwrap(); | ||
126 | if trait_ == super_trait { | ||
127 | return true; | ||
128 | } | ||
129 | |||
130 | for tt in direct_super_traits(db, trait_) { | ||
131 | if path.contains(&tt) { | ||
132 | continue; | ||
133 | } | ||
134 | path.push(tt); | ||
135 | if go(db, super_trait, path) { | ||
136 | return true; | ||
137 | } else { | ||
138 | path.pop(); | ||
139 | } | ||
140 | } | ||
141 | false | ||
142 | } | ||
143 | } | ||
144 | |||
145 | pub(super) fn associated_type_by_name_including_super_traits( | 113 | pub(super) fn associated_type_by_name_including_super_traits( |
146 | db: &dyn HirDatabase, | 114 | db: &dyn HirDatabase, |
147 | trait_ref: TraitRef, | 115 | trait_ref: TraitRef, |