You can search for identifiers within the package.
in-package search v0.2.0
either.ml
1 2 3 let swap x = Stdlib.Either.fold ~left:Stdlib.Either.right ~right:Stdlib.Either.left x ;;
1 2 3
let swap x = Stdlib.Either.fold ~left:Stdlib.Either.right ~right:Stdlib.Either.left x ;;