Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-def/src/macro_expansion_tests/mod.rs')
-rw-r--r--crates/hir-def/src/macro_expansion_tests/mod.rs5
1 files changed, 2 insertions, 3 deletions
diff --git a/crates/hir-def/src/macro_expansion_tests/mod.rs b/crates/hir-def/src/macro_expansion_tests/mod.rs
index ec29940538..e315414e9b 100644
--- a/crates/hir-def/src/macro_expansion_tests/mod.rs
+++ b/crates/hir-def/src/macro_expansion_tests/mod.rs
@@ -25,7 +25,7 @@ use hir_expand::{
InFile, MacroFileId, MacroFileIdExt,
};
use span::Span;
-use stdx::format_to;
+use stdx::{format_to, format_to_acc};
use syntax::{
ast::{self, edit::IndentLevel},
AstNode,
@@ -149,8 +149,7 @@ pub fn identity_when_valid(_attr: TokenStream, item: TokenStream) -> TokenStream
if tree {
let tree = format!("{:#?}", parse.syntax_node())
.split_inclusive('\n')
- .map(|line| format!("// {line}"))
- .collect::<String>();
+ .fold(String::new(), |mut acc, line| format_to_acc!(acc, "// {line}"));
format_to!(expn_text, "\n{}", tree)
}
let range = call.syntax().text_range();