diff --git a/lib/io-extra.jl b/lib/io-extra.jl
index 3fb12ae..03dee59 100644
--- a/lib/io-extra.jl
+++ b/lib/io-extra.jl
@@ -1,4 +1,4 @@
-function input(prompt::String="")::String
+function input(prompt::AbstractString="")
            print(prompt)
            return chomp(readline())
 end
\ No newline at end of file
diff --git a/lib/story.jl b/lib/story.jl
index e69de29..40905a5 100644
--- a/lib/story.jl
+++ b/lib/story.jl
@@ -0,0 +1 @@
+include("../lib/io-extra.jl")
\ No newline at end of file