Specify the requirements of using-reduce

4 years ago · e507db6003
1 changed files with 5 additions and 0 deletions
--- a/subjects/using-reduce.en.md
+++ b/subjects/using-reduce.en.md
@ -20,6 +20,11 @@ sumOrMul([1, 2, 3, 4], 5)
  // -> 60
 ````

+#### Special instruction
+
+The goal of this exercise is to learn to use `reduce`, as such all your
+solution **MUST** use `reduce`
+

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