1 //! Functionality for generating trivial contructors
6 /// given a type return the trivial contructor (if one exists)
7 pub fn use_trivial_constructor(
8 db: &crate::RootDatabase,
11 ) -> Option<ast::Expr> {
13 Some(hir::Adt::Enum(x)) => {
14 if let &[variant] = &*x.variants(db) {
15 if variant.kind(db) == hir::StructKind::Unit {
16 let path = ast::make::path_qualified(
18 syntax::ast::make::path_segment(ast::make::name_ref(
19 &variant.name(db).to_smol_str(),
23 return Some(syntax::ast::make::expr_path(path));
27 Some(hir::Adt::Struct(x)) if x.kind(db) == StructKind::Unit => {
28 return Some(syntax::ast::make::expr_path(path));