From 31edcf51eee80936ba236f4c5a7dfa39858d6701 Mon Sep 17 00:00:00 2001
From: Tushar Tyagi <tushar4r@gmail.com>
Date: Mon, 18 Jun 2018 20:08:24 +0530
Subject: [PATCH] Adds stub definition to the ETL exercise

---
 exercises/etl/src/lib.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/exercises/etl/src/lib.rs b/exercises/etl/src/lib.rs
index e69de29bb..4b643b0a7 100644
--- a/exercises/etl/src/lib.rs
+++ b/exercises/etl/src/lib.rs
@@ -0,0 +1,5 @@
+use std::collections::BTreeMap;
+
+pub fn transform(h: &BTreeMap<i32, Vec<char>>) -> BTreeMap<char, i32> {
+    unimplemented!("How will you transform the tree {:?}?", h)
+}