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Programming-Idioms

History of Idiom 11 > diff from v4 to v5

Edit summary for version 5 by :

Version 4

2015-08-21, 09:07:26

Version 5

2015-08-21, 11:00:09

Idiom #11 Pick a random element from a list

List x must be non-empty

Idiom #11 Pick a random element from a list

List x must be non-empty

Code
// using an array
element := x[random(length(x))];
// using a TList
element := x.Items[random(x.count)];