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Programming-Idioms

History of Idiom 131 > diff from v19 to v20

Edit summary for version 20 by Debaran:
New Scala implementation by user [Debaran]

Version 19

2019-01-24, 12:42:20

Version 20

2019-02-02, 03:44:36

Idiom #131 Successive conditions

Execute f1 if condition c1 is true, or else f2 if condition c2 is true, or else f3 if condition c3 is true.
Don't evaluate a condition when a previous condition was true.

Idiom #131 Successive conditions

Execute f1 if condition c1 is true, or else f2 if condition c2 is true, or else f3 if condition c3 is true.
Don't evaluate a condition when a previous condition was true.

Extra Keywords
else switch case
Extra Keywords
else switch case
Code
true match {
  case _ if c1 => f1()
  case _ if c2 => f2()
  case _ if c3 => f3()
}
Comments bubble
Using match with guards