Commit aacc5a0

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add one more method

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+13

-1

lines changed

src
- main/scala/org/codecraftlabs/training
  - Rational.scala
- test/scala/org/codecraftlabs/training
  - RationalSpec.scala

+13

-1

lines changed

Lines changed: 6 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -8,6 +8,11 @@ class Rational (n: Int, d: Int) {`
`8`	`8`
`9`	`9`	`override def toString: String = numer + "/" + denom`
`10`	`10`
`11`		`- def add(that: Rational): Rational =`
	`11`	`+ def add(that: Rational): Rational = {`
`12`	`12`	`new Rational (numer * that.denom + that.numer * denom, denom * that.denom)`
	`13`	`+ }`
	`14`	`+`
	`15`	`+ def lessThan(that: Rational): Boolean = {`
	`16`	`+ this.numer * that.denom < that.numer * this.denom`
	`17`	`+ }`
`13`	`18`	`}`

Lines changed: 7 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -12,4 +12,11 @@ class RationalSpec extends AnyFlatSpec with Matchers {`
`12`	`12`	`result.numer shouldEqual 7`
`13`	`13`	`result.denom shouldEqual 6`
`14`	`14`	`}`
	`15`	`+`
	`16`	`+ "1/3 lessThan 1/2" should "return true" in {`
	`17`	`+ val r1 = new Rational(1, 3)`
	`18`	`+ val r2 = new Rational(1, 2)`
	`19`	`+`
	`20`	`+ r1.lessThan(r2) shouldEqual true`
	`21`	`+ }`
`15`	`22`	`}`

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