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Update info about importing math.abs #24

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Update info about importing math.abs #24

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5 changes: 4 additions & 1 deletion src/main/scala/scalatutorial/sections/FunctionalLoops.scala
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Expand Up @@ -109,9 +109,12 @@ object FunctionalLoops extends ScalaTutorialSection {
* (guess + x / guess) / 2
*
* def isGoodEnough(guess: Double, x: Double) =
* abs(guess * guess - x) < 0.001
* math.abs(guess * guess - x) < 0.001
* }}}
*
* If we don't want to repeat math.abs every time we use it, we can call `import math.abs`
* at the beginning of the file, and from then on call `abs` directly.
*
* Third, we define the `sqrt` function:
*
* {{{
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