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OldPascalProjects/LanguageFeatures/ForeachExamples.pas
2024-03-10 20:32:51 +03:00

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// Пример иллюстрирует всевозможные типы контейнеров,
// по которым можно перемещаться с помощью оператора foreach
const n = 10;
var
a: array [1..n] of integer;
b: array of integer;
s: set of integer;
l: List<integer>;
begin
for var i:=1 to n do
a[i] := Random(100);
// Цикл foreach по статическому массиву
foreach var x in a do
Print(x);
writeln;
SetLength(b,n);
for var i:=0 to n-1 do
b[i] := Random(100);
// Цикл foreach по динамическому массиву
foreach var x in b do
Print(x);
writeln;
s := [2..5,10..14];
// Цикл foreach по множеству
foreach var x in s do
Print(x);
writeln;
l := new List<integer>;
l.AddRange(b);
l.Reverse;
// Цикл foreach по списку
foreach var x in l do
Print(x);
writeln;
end.