docs: add module-level documentation and improve doc comments

1 files changed, 4 insertions, 0 deletions

diff --git a/mingling_pathf/src/patterns/basic_struct.rs b/mingling_pathf/src/patterns/basic_struct.rs
index eeb665a..09e8e70 100644
--- a/mingling_pathf/src/patterns/basic_struct.rs
+++ b/mingling_pathf/src/patterns/basic_struct.rs
@@ -1,3 +1,7 @@
+//! The `BasicStructPattern` matches `struct` definitions in Rust source code.
+//! It identifies root-level structs and structs nested inside inline modules,
+//! returning their names and optional module path for analysis.
+
 use syn::Item;
 
 use crate::pattern_analyzer::{AnalyzeItem, AnalyzePattern};