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-rw-r--r--crates/hir_ty/src/diagnostics/expr.rs27
1 files changed, 7 insertions, 20 deletions
diff --git a/crates/hir_ty/src/diagnostics/expr.rs b/crates/hir_ty/src/diagnostics/expr.rs
index 170d23178..b87557ff5 100644
--- a/crates/hir_ty/src/diagnostics/expr.rs
+++ b/crates/hir_ty/src/diagnostics/expr.rs
@@ -41,16 +41,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
41 ExprValidator { owner, infer, sink } 41 ExprValidator { owner, infer, sink }
42 } 42 }
43 43
44 fn bar() {
45 // LOOK FOR THIS
46 let m = [1, 2, 3]
47 .iter()
48 .filter_map(|x| if *x == 2 { Some(4) } else { None })
49 .next();
50 }
51
52 pub(super) fn validate_body(&mut self, db: &dyn HirDatabase) { 44 pub(super) fn validate_body(&mut self, db: &dyn HirDatabase) {
53 // DO NOT MERGE: just getting something working for now
54 self.check_for_filter_map_next(db); 45 self.check_for_filter_map_next(db);
55 46
56 let body = db.body(self.owner.into()); 47 let body = db.body(self.owner.into());
@@ -169,24 +160,20 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
169 160
170 for (id, expr) in body.exprs.iter() { 161 for (id, expr) in body.exprs.iter() {
171 if let Expr::MethodCall { receiver, method_name, args, .. } = expr { 162 if let Expr::MethodCall { receiver, method_name, args, .. } = expr {
172 let method_name_hack_do_not_merge = format!("{}", method_name); 163 let method_name = format!("{}", method_name);
173 164
174 if method_name_hack_do_not_merge == "filter_map" && args.len() == 1 { 165 if method_name == "filter_map" && args.len() == 1 {
175 prev = Some((id, args[0])); 166 prev = Some(id);
176 continue; 167 continue;
177 } 168 }
178 169
179 if method_name_hack_do_not_merge == "next" { 170 if method_name == "next" {
180 if let Some((filter_map_id, filter_map_args)) = prev { 171 if let Some(filter_map_id) = prev {
181 if *receiver == filter_map_id { 172 if *receiver == filter_map_id {
182 let (_, source_map) = db.body_with_source_map(self.owner.into()); 173 let (_, source_map) = db.body_with_source_map(self.owner.into());
183 if let (Ok(filter_map_source_ptr), Ok(next_source_ptr)) = ( 174 if let Ok(next_source_ptr) = source_map.expr_syntax(id) {
184 source_map.expr_syntax(filter_map_id),
185 source_map.expr_syntax(id),
186 ) {
187 self.sink.push(ReplaceFilterMapNextWithFindMap { 175 self.sink.push(ReplaceFilterMapNextWithFindMap {
188 file: filter_map_source_ptr.file_id, 176 file: next_source_ptr.file_id,
189 filter_map_expr: filter_map_source_ptr.value,
190 next_expr: next_source_ptr.value, 177 next_expr: next_source_ptr.value,
191 }); 178 });
192 } 179 }