Fix recursive type missing error (#106)

xiaowei-zhang · web-flow · commit 7768cc5e413f · 2020-04-03T15:32:50.000+02:00
diff --git a/src/main/scala/scalatutorial/sections/ImperativeProgramming.scala b/src/main/scala/scalatutorial/sections/ImperativeProgramming.scala
@@ -31,7 +31,7 @@ object ImperativeProgramming extends ScalaTutorialSection {
    * Say you have the following two functions `iterate` and `square`:
    *
    * {{{
-   *   def iterate(n: Int, f: Int => Int, x: Int) =
+   *   def iterate(n: Int, f: Int => Int, x: Int): Int =
    *     if (n == 0) x else iterate(n-1, f, f(x))
    *   def square(x: Int) = x * x
    * }}}

Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,7 @@ object ImperativeProgramming extends ScalaTutorialSection {`
`31`	`31`	* Say you have the following two functions `iterate` and `square`:
`32`	`32`	`*`
`33`	`33`	`* {{{`
`34`		`- * def iterate(n: Int, f: Int => Int, x: Int) =`
	`34`	`+ * def iterate(n: Int, f: Int => Int, x: Int): Int =`
`35`	`35`	`* if (n == 0) x else iterate(n-1, f, f(x))`
`36`	`36`	`* def square(x: Int) = x * x`
`37`	`37`	`* }}}`