diff options
author | ven <vendethiel@hotmail.fr> | 2018-09-08 23:29:35 +0200 |
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committer | GitHub <noreply@github.com> | 2018-09-08 23:29:35 +0200 |
commit | 6d087ae0f289e7013807639cbd609f991f968166 (patch) | |
tree | 909eebc77b92a360acc16a7e8740a0b9122f8aca /scala.html.markdown | |
parent | 49a2bf306fcf365192934d006a244a9033909850 (diff) |
Revert "[scala/en] Make return value example actually demonstrate issue" (#3213)
Diffstat (limited to 'scala.html.markdown')
-rw-r--r-- | scala.html.markdown | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/scala.html.markdown b/scala.html.markdown index 7429ac9a..28424684 100644 --- a/scala.html.markdown +++ b/scala.html.markdown @@ -253,20 +253,16 @@ weirdSum(2, 4) // => 16 // def that surrounds it. // WARNING: Using return in Scala is error-prone and should be avoided. // It has no effect on anonymous functions. For example: -def addTenButMaybeTwelve(x: Int): Int = { - val anonMaybeAddTwo: Int => Int = { z => +def foo(x: Int): Int = { + val anonFunc: Int => Int = { z => if (z > 5) - return z // This line makes z the return value of addTenButMaybeTwelve! + return z // This line makes z the return value of foo! else - z + 2 // This line is the return value of anonMaybeAddTwo + z + 2 // This line is the return value of anonFunc } - anonMaybeAddTwo(x) + 10 // This line is the return value of addTenButMaybeTwelve + anonFunc(x) // This line is the return value of foo } -addTenButMaybeTwelve(2) // Returns 14 as expected: 2 <= 5, adds 12 -addTenButMaybeTwelve(7) // Returns 7: 7 > 5, return value set to z, so - // last line doesn't get called and 10 is not added - ///////////////////////////////////////////////// // 3. Flow Control |