Added a convention regarding the exposure of the public API of ds and…

… algorithms
nbro · Mar 2, 2017 · 07e8ef3 · 07e8ef3
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diff --git a/CONVENTIONS.md b/CONVENTIONS.md
@@ -7,6 +7,10 @@
     - not tested
 
  to the `master` branch!!
+
+- Expose only public interface!!
+
+    - For example, clients of a BST may not care about the existence of a BSTNode, which is only useful to store information about the keys.
 
 ## Design by contract