diff options
author | bors[bot] <26634292+bors[bot]@users.noreply.github.com> | 2020-12-23 19:50:04 +0000 |
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committer | GitHub <[email protected]> | 2020-12-23 19:50:04 +0000 |
commit | a82c2445be5fbd9ef6ff8a60326d60ae97c122bb (patch) | |
tree | 8877d4fd3916b28a801a6fa247640138636f72d9 /crates/hir_ty/src/infer | |
parent | 01a3fd960089d562dac328221c93875cabad1d51 (diff) | |
parent | a142beaf013a016a48eb9f193b55e0cbcb80b6a9 (diff) |
Merge #7020
7020: Implement const pat and expr inference r=flodiebold a=Veykril
Co-authored-by: Lukas Wirth <[email protected]>
Diffstat (limited to 'crates/hir_ty/src/infer')
-rw-r--r-- | crates/hir_ty/src/infer/expr.rs | 2 | ||||
-rw-r--r-- | crates/hir_ty/src/infer/pat.rs | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/crates/hir_ty/src/infer/expr.rs b/crates/hir_ty/src/infer/expr.rs index 2cdce2cef..744569e6e 100644 --- a/crates/hir_ty/src/infer/expr.rs +++ b/crates/hir_ty/src/infer/expr.rs | |||
@@ -155,7 +155,7 @@ impl<'a> InferenceContext<'a> { | |||
155 | } | 155 | } |
156 | None => self.infer_block(statements, *tail, expected), | 156 | None => self.infer_block(statements, *tail, expected), |
157 | }, | 157 | }, |
158 | Expr::Unsafe { body } => self.infer_expr(*body, expected), | 158 | Expr::Unsafe { body } | Expr::Const { body } => self.infer_expr(*body, expected), |
159 | Expr::TryBlock { body } => { | 159 | Expr::TryBlock { body } => { |
160 | let _inner = self.infer_expr(*body, expected); | 160 | let _inner = self.infer_expr(*body, expected); |
161 | // FIXME should be std::result::Result<{inner}, _> | 161 | // FIXME should be std::result::Result<{inner}, _> |
diff --git a/crates/hir_ty/src/infer/pat.rs b/crates/hir_ty/src/infer/pat.rs index b70ec55eb..d974f805b 100644 --- a/crates/hir_ty/src/infer/pat.rs +++ b/crates/hir_ty/src/infer/pat.rs | |||
@@ -243,6 +243,9 @@ impl<'a> InferenceContext<'a> { | |||
243 | } | 243 | } |
244 | None => Ty::Unknown, | 244 | None => Ty::Unknown, |
245 | }, | 245 | }, |
246 | Pat::ConstBlock(expr) => { | ||
247 | self.infer_expr(*expr, &Expectation::has_type(expected.clone())) | ||
248 | } | ||
246 | Pat::Missing => Ty::Unknown, | 249 | Pat::Missing => Ty::Unknown, |
247 | }; | 250 | }; |
248 | // use a new type variable if we got Ty::Unknown here | 251 | // use a new type variable if we got Ty::Unknown here |
@@ -264,8 +267,9 @@ fn is_non_ref_pat(body: &hir_def::body::Body, pat: PatId) -> bool { | |||
264 | | Pat::Range { .. } | 267 | | Pat::Range { .. } |
265 | | Pat::Slice { .. } => true, | 268 | | Pat::Slice { .. } => true, |
266 | Pat::Or(pats) => pats.iter().all(|p| is_non_ref_pat(body, *p)), | 269 | Pat::Or(pats) => pats.iter().all(|p| is_non_ref_pat(body, *p)), |
267 | // FIXME: Path/Lit might actually evaluate to ref, but inference is unimplemented. | 270 | // FIXME: ConstBlock/Path/Lit might actually evaluate to ref, but inference is unimplemented. |
268 | Pat::Path(..) => true, | 271 | Pat::Path(..) => true, |
272 | Pat::ConstBlock(..) => true, | ||
269 | Pat::Lit(expr) => match body[*expr] { | 273 | Pat::Lit(expr) => match body[*expr] { |
270 | Expr::Literal(Literal::String(..)) => false, | 274 | Expr::Literal(Literal::String(..)) => false, |
271 | _ => true, | 275 | _ => true, |