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 | 97 |
1 files changed, 96 insertions, 1 deletions
diff --git a/crates/syntax/src/ast/make.rs b/crates/syntax/src/ast/make.rs index dba39204e3..4a7afed61e 100644 --- a/crates/syntax/src/ast/make.rs +++ b/crates/syntax/src/ast/make.rs @@ -1016,7 +1016,19 @@ pub fn item_static( } pub fn unnamed_param(ty: ast::Type) -> ast::Param { - ast_from_text(&format!("fn f({ty}) {{ }}")) + quote! { + Param { + #ty + } + } +} + +pub fn untyped_param(pat: ast::Pat) -> ast::Param { + quote! { + Param { + #pat + } + } } pub fn param(pat: ast::Pat, ty: ast::Type) -> ast::Param { @@ -1456,3 +1468,86 @@ pub mod tokens { } } } + +#[cfg(test)] +mod tests { + use expect_test::expect; + + use super::*; + + #[track_caller] + fn check(node: impl AstNode, expect: expect_test::Expect) { + let node_debug = format!("{:#?}", node.syntax()); + expect.assert_eq(&node_debug); + } + + #[test] + fn test_unnamed_param() { + check( + unnamed_param(ty("Vec")), + expect![[r#" + [email protected] "Vec" + "#]], + ); + + check( + unnamed_param(ty("Vec<T>")), + expect![[r#" + [email protected] "Vec" + [email protected] "<" + [email protected] "T" + [email protected] ">" + "#]], + ); + } + + #[test] + fn test_untyped_param() { + check( + untyped_param(path_pat(ext::ident_path("name"))), + expect![[r#" + [email protected] "name" + "#]], + ); + + check( + untyped_param( + range_pat( + Some(path_pat(ext::ident_path("start"))), + Some(path_pat(ext::ident_path("end"))), + ) + .into(), + ), + expect![[r#" + [email protected] "start" + [email protected] ".." + [email protected] "end" + "#]], + ); + } +} |