Bug fix

chicagoscala · chicagoscala · commit a298ee12a4c8 · 2016-01-19T10:22:16.000-06:00
diff --git a/src/main/scala/progscala2/typelessdomore/factorial.sc b/src/main/scala/progscala2/typelessdomore/factorial.sc
@@ -1,12 +1,12 @@
 // src/main/scala/progscala2/typelessdomore/factorial.sc
 
 def factorial(i: Int): Long = {
-  def fact(i: Int, accumulator: Int): Long = {
+  def fact(i: Int, accumulator: Long): Long = {
     if (i <= 1) accumulator
     else fact(i - 1, i * accumulator)
   }
     
-  fact(i, 1)
+  fact(i, 1L)
 }
 
 (0 to 5) foreach ( i => println(factorial(i)) )

Original file line number	Diff line number	Diff line change
`@@ -1,12 +1,12 @@`
`1`	`1`	`// src/main/scala/progscala2/typelessdomore/factorial.sc`
`2`	`2`
`3`	`3`	`def factorial(i: Int): Long = {`
`4`		`- def fact(i: Int, accumulator: Int): Long = {`
	`4`	`+ def fact(i: Int, accumulator: Long): Long = {`
`5`	`5`	`if (i <= 1) accumulator`
`6`	`6`	`else fact(i - 1, i * accumulator)`
`7`	`7`	`}`
`8`	`8`
`9`		`- fact(i, 1)`
	`9`	`+ fact(i, 1L)`
`10`	`10`	`}`
`11`	`11`
`12`	`12`	`(0 to 5) foreach ( i => println(factorial(i)) )`