ex1 3

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• Type: sml
• Size: 145 B

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Functional Programming
└── Lab ML
    └── 0​328
        └── ex1 3.sml

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Preview

(*Given n, print 2^n X’s*)

fun makelist(1) =
    "X"
| makelist(n) =
    makelist(n-1) ^ makelist(n-1)
;

fun printXs(n) = print(makelist(n));