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program tforin1;
// test for-in loop for the basic types: Enumeration, Range, Array, String and Set
{$mode objfpc}{$H+}
{$apptype console}
uses
Classes, typinfo;
type
TColor = (clRed, clGreen, clBlue);
procedure LoopTypes;
type
IntRange = 0..9;
var
c: TColor;
i: integer;
begin
// check loop in range
for i in IntRange do
writeln(i);
// check loop in enum
for c in TColor do
writeln(GetEnumName(TypeInfo(c), ord(c)));
end;
procedure LoopString(s: string);
var
c: char;
begin
// check loop in string
for c in s do
write(c);
WriteLn;
end;
procedure LoopArray(a: array of integer);
var
i: integer;
begin
// check loop in array
for i in a do
write(i);
WriteLn;
end;
procedure LoopSet;
const
s = [clRed, clBlue];
var
c: TColor;
begin
// check loop in set
for c in s do
writeln(GetEnumName(TypeInfo(c), ord(c)));
end;
var
a: array[0..2] of integer;
begin
LoopTypes;
LoopString('test');
a[0]:=0;
a[1]:=1;
a[2]:=2;
LoopArray(a);
LoopSet;
end.
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