diff --git a/crates/typst-library/src/foundations/func.rs b/crates/typst-library/src/foundations/func.rs
index 27eb34eac..614563fcf 100644
--- a/crates/typst-library/src/foundations/func.rs
+++ b/crates/typst-library/src/foundations/func.rs
@@ -144,7 +144,7 @@ pub struct Func {
 
 /// The different kinds of function representations.
 #[derive(Clone, PartialEq, Hash)]
-enum Repr {
+pub enum Repr {
     /// A native Rust function.
     Native(Static<NativeFuncData>),
     /// A function for an element.
@@ -353,6 +353,11 @@ impl Func {
         }
         self
     }
+
+    /// The function's repr
+    pub fn inner(&self) -> &Repr {
+        &self.repr
+    }
 }
 
 #[scope]
diff --git a/crates/typst-library/src/foundations/mod.rs b/crates/typst-library/src/foundations/mod.rs
index d42be15b1..dfb08588b 100644
--- a/crates/typst-library/src/foundations/mod.rs
+++ b/crates/typst-library/src/foundations/mod.rs
@@ -20,7 +20,7 @@ mod duration;
 mod element;
 mod fields;
 mod float;
-mod func;
+pub mod func;
 mod int;
 mod label;
 mod module;