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11.7.2 Assignment #6. "the modules" not clear #42

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kneoyskw opened this issue Sep 30, 2017 · 1 comment
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11.7.2 Assignment #6. "the modules" not clear #42

kneoyskw opened this issue Sep 30, 2017 · 1 comment

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@kneoyskw
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On page 218 of the book, in the section
"11.7 Assignment: Higher-Order Functions and Lists"
It says "6. Implement map_mut; using it,
output the modules of the input numbers"
I am wondering what "the modules" mean.
@sayon
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sayon commented Sep 30, 2017

Sorry, it is a typo: I meant absolute values.

abs(x) = x if x >=0, -x if x < 0.

@sayon sayon closed this as completed Sep 30, 2017
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@sayon @kneoyskw