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Diffstat (limited to 'crates/ide-assists/src/utils.rs')
| -rw-r--r-- | crates/ide-assists/src/utils.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/crates/ide-assists/src/utils.rs b/crates/ide-assists/src/utils.rs index 20e0302b57..36b44554f1 100644 --- a/crates/ide-assists/src/utils.rs +++ b/crates/ide-assists/src/utils.rs @@ -1150,3 +1150,19 @@ pub fn is_body_const(sema: &Semantics<'_, RootDatabase>, expr: &ast::Expr) -> bo }); is_const } + +// FIXME: #20460 When hir-ty can analyze the `never` statement at the end of block, remove it +pub(crate) fn is_never_block( + sema: &Semantics<'_, RootDatabase>, + block_expr: &ast::BlockExpr, +) -> bool { + if let Some(tail_expr) = block_expr.tail_expr() { + sema.type_of_expr(&tail_expr).is_some_and(|ty| ty.original.is_never()) + } else if let Some(ast::Stmt::ExprStmt(expr_stmt)) = block_expr.statements().last() + && let Some(expr) = expr_stmt.expr() + { + sema.type_of_expr(&expr).is_some_and(|ty| ty.original.is_never()) + } else { + false + } +} |