RosettaCodeData/Task/Partial-function-application/Elena/partial-function-applicatio...

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import system'collections;
import system'routines;
import extensions;
public program()
{
var partial := (afs,af => (s => afs(af, s)));
var fs := (f,s => s.selectBy:(x => f(x)).summarize(new ArrayList()).toArray());
var f1 := (x => x * 2);
var f2 := (x => x * x);
var fsf1 := partial(fs, f1);
var fsf2 := partial(fs, f2);
console.printLine(fsf1(new int[]::(2,4,6,8)).toString());
console.printLine(fsf2(new int[]::(2,4,6,8)).toString())
}