iskm/learnxinyminutes-docs
1
0
Fork 0
mirror of https://github.com/adambard/learnxinyminutes-docs.git synced 2024-12-23 17:41:41 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #1953 from pikazlou/scala-functions

Browse Source 
usage of named parameters in functions
This commit is contained in:
Adam Bard 2015-10-31 22:51:27 +08:00
commit 5b0db44e7c
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
scala.html.markdown
View File

@ -169,6 +169,12 @@ def sumOfSquaresShort(x: Int, y: Int): Int = x * x + y * y
// Syntax for calling functions is familiar:
sumOfSquares(3, 4) // => 25
// You can use parameters names to specify them in different order
def subtract(x: Int, y: Int): Int = x - y
subtract(10, 3) // => 7
subtract(y=10, x=3) // => -7
// In most cases (with recursive functions the most notable exception), function
// return type can be omitted, and the same type inference we saw with variables
// will work with function return values: