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Programming-Idioms

History of Idiom 131 > diff from v17 to v18

Edit summary for version 18 by mitosis:
[Elixir] idiom is better served with cond statement
↷

Version 17

2017-11-23, 10:25:59

Version 18

2017-11-23, 10:28:20

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 
var = "ok"
case var do
  c1 -> f1
  c2 -> f2
  c3 -> f3
end
Code 
cond do
  c1 -> f1
  c2 -> f2
  c3 -> f3
end
Comments bubble
conditionals are pattern matched
Comments bubble
conditionals must evaluate to boolean