Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/syntax/src/ast/make.rs')
| -rw-r--r-- | crates/syntax/src/ast/make.rs | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/crates/syntax/src/ast/make.rs b/crates/syntax/src/ast/make.rs index d5eda8f15e..e479aec30f 100644 --- a/crates/syntax/src/ast/make.rs +++ b/crates/syntax/src/ast/make.rs @@ -236,20 +236,14 @@ fn merge_where_clause( pub fn impl_( generic_params: Option<ast::GenericParamList>, - generic_args: Option<ast::GenericParamList>, + generic_args: Option<ast::GenericArgList>, path_type: ast::Type, where_clause: Option<ast::WhereClause>, body: Option<Vec<either::Either<ast::Attr, ast::AssocItem>>>, ) -> ast::Impl { - let (gen_params, tr_gen_args) = match (generic_params, generic_args) { - (None, None) => (String::new(), String::new()), - (None, Some(args)) => (String::new(), args.to_generic_args().to_string()), - (Some(params), None) => (params.to_string(), params.to_generic_args().to_string()), - (Some(params), Some(args)) => match merge_gen_params(Some(params.clone()), Some(args)) { - Some(merged) => (params.to_string(), merged.to_generic_args().to_string()), - None => (params.to_string(), String::new()), - }, - }; + let gen_args = generic_args.map_or_else(String::new, |it| it.to_string()); + + let gen_params = generic_params.map_or_else(String::new, |it| it.to_string()); let where_clause = match where_clause { Some(pr) => pr.to_string(), @@ -261,7 +255,7 @@ pub fn impl_( None => String::new(), }; - ast_from_text(&format!("impl{gen_params} {path_type}{tr_gen_args}{where_clause}{{{}}}", body)) + ast_from_text(&format!("impl{gen_params} {path_type}{gen_args}{where_clause}{{{body}}}")) } pub fn impl_trait( @@ -282,10 +276,8 @@ pub fn impl_trait( let trait_gen_args = trait_gen_args.map(|args| args.to_string()).unwrap_or_default(); let type_gen_args = type_gen_args.map(|args| args.to_string()).unwrap_or_default(); - let gen_params = match merge_gen_params(trait_gen_params, type_gen_params) { - Some(pars) => pars.to_string(), - None => String::new(), - }; + let gen_params = merge_gen_params(trait_gen_params, type_gen_params) + .map_or_else(String::new, |it| it.to_string()); let is_negative = if is_negative { "! " } else { "" }; @@ -297,7 +289,7 @@ pub fn impl_trait( None => String::new(), }; - ast_from_text(&format!("{is_unsafe}impl{gen_params} {is_negative}{path_type}{trait_gen_args} for {ty}{type_gen_args}{where_clause}{{{}}}" , body)) + ast_from_text(&format!("{is_unsafe}impl{gen_params} {is_negative}{path_type}{trait_gen_args} for {ty}{type_gen_args}{where_clause}{{{body}}}")) } pub fn impl_trait_type(bounds: ast::TypeBoundList) -> ast::ImplTraitType { |