diff --git a/src/lib.rs b/src/lib.rs
index 3ecf6cc..08a8d8d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,14 +3,14 @@ pub mod skim;
 mod util;
 
 #[cfg(not(feature = "compact"))]
-type IndexType = usize;
+pub type IndexType = usize;
 #[cfg(not(feature = "compact"))]
-type ScoreType = i64;
+pub type ScoreType = i64;
 
 #[cfg(feature = "compact")]
-type IndexType = u32;
+pub type IndexType = u32;
 #[cfg(feature = "compact")]
-type ScoreType = i32;
+pub type ScoreType = i32;
 
 pub trait FuzzyMatcher: Send + Sync {
     /// fuzzy match choice with pattern, and return the score & matched indices of characters