Choose[BigDecimal] Instance?

[Kevin Meredith]

Given:

$cat build.sbt 

scalaVersion := "2.11.8"

libraryDependencies += "org.scalacheck" %% "scalacheck" % "1.13.4" % "test"

I created a Gen[Int] with a range from 0 to 100:

import org.scalacheck._

scala> Gen.choose[Int](0, 100)

res0: org.scalacheck.Gen[Int] = org.scalacheck.Gen$$anon$3@3f5d649a

scala> res0.sample

res1: Option[Int] = Some(93)

But it fails with BigDecimal.

scala> Gen.choose[BigDecimal](0, 100)

<console>:15: error: could not find implicit value for parameter c: org.scalacheck.Gen.Choose[BigDecimal]

       Gen.choose[BigDecimal](0, 100)

                             ^

I did not find a `Choose[BigDecimal]` when searching - https://github.com/rickynils/scalacheck/search?utf8=%E2%9C%93&q=Choose%5BBigDecimal%5D.

Does it exist?

[Dave Stevens]

Try this, or some derivation of it.

Gen.choose(0d, 100d).map(BigDecimal.valueOf)
or
Gen.choose(0, 100).map(BigDecimal.valueOf)

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