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Diffstat (limited to 'crates/hir-ty/src/traits.rs')
| -rw-r--r-- | crates/hir-ty/src/traits.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/crates/hir-ty/src/traits.rs b/crates/hir-ty/src/traits.rs index b2232b920a..930bc7df5e 100644 --- a/crates/hir-ty/src/traits.rs +++ b/crates/hir-ty/src/traits.rs @@ -139,6 +139,7 @@ fn solve( block: Option<BlockId>, goal: &chalk_ir::UCanonical<chalk_ir::InEnvironment<chalk_ir::Goal<Interner>>>, ) -> Option<chalk_solve::Solution<Interner>> { + let _p = tracing::span!(tracing::Level::INFO, "solve", ?krate, ?block).entered(); let context = ChalkContext { db, krate, block }; tracing::debug!("solve goal: {:?}", goal); let mut solver = create_chalk_solver(); @@ -217,6 +218,15 @@ impl FnTrait { } } + pub const fn from_lang_item(lang_item: LangItem) -> Option<Self> { + match lang_item { + LangItem::FnOnce => Some(FnTrait::FnOnce), + LangItem::FnMut => Some(FnTrait::FnMut), + LangItem::Fn => Some(FnTrait::Fn), + _ => None, + } + } + pub const fn to_chalk_ir(self) -> rust_ir::ClosureKind { match self { FnTrait::FnOnce => rust_ir::ClosureKind::FnOnce, |