Working example

src/external/conv/mod.rs

@@ -0,0 +1,13 @@
+use crate::project::{fnlib_loader, Loader};
+
+mod to_string;
+mod parse_float;
+mod parse_uint;
+
+pub fn conv() -> impl Loader {
+  fnlib_loader(vec![
+    ("parse_float", Box::new(parse_float::ParseFloat1)),
+    ("parse_uint", Box::new(parse_uint::ParseUint1)),
+    ("to_string", Box::new(to_string::ToString1))
+  ])
+}