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99 個 Elm 難題/第 15 題/解決方案
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<
99 個 Elm 難題
|
第 15 題
解決方案 1：使用
List.foldr
repeatElements
n
=
List
.
foldr
(
\
a
b
->
List
.
repeat
n
a
++
b
)
[]
類別
:
書籍：99 個 Elm 難題
華夏公益教科書
