Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide-assists/src/utils.rs')
-rw-r--r--crates/ide-assists/src/utils.rs12
1 files changed, 12 insertions, 0 deletions
diff --git a/crates/ide-assists/src/utils.rs b/crates/ide-assists/src/utils.rs
index fbdd0667b9..19d79a2173 100644
--- a/crates/ide-assists/src/utils.rs
+++ b/crates/ide-assists/src/utils.rs
@@ -1080,6 +1080,18 @@ fn test_string_prefix() {
assert_eq!(Some("r"), string_prefix(r##"r#""#"##));
}
+pub(crate) fn add_group_separators(s: &str, group_size: usize) -> String {
+ let mut chars = Vec::new();
+ for (i, ch) in s.chars().filter(|&ch| ch != '_').rev().enumerate() {
+ if i > 0 && i % group_size == 0 && ch != '-' {
+ chars.push('_');
+ }
+ chars.push(ch);
+ }
+
+ chars.into_iter().rev().collect()
+}
+
/// Replaces the record expression, handling field shorthands including inside macros.
pub(crate) fn replace_record_field_expr(
ctx: &AssistContext<'_>,