char问题
program Project2;
{$APPTYPE CONSOLE}
uses
SysUtils;
var ch:char;
begin
ch:='q';
ch:='p';
end.
编译提示
Build
[Hint] Project2.dpr(13): Value assigned to 'ch' never used
[Hint] Project2.dpr(12): Value assigned to 'ch' never used
根本不执行
ch:='q';
ch:='p';
这两条语句,请问什么原因?刚接触delphi