String prepend: Difference between revisions
Added Delphi example
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MaiconSoft (talk | contribs) (Added Delphi example) |
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Line 482:
{{out}}
<pre>Hello world!</pre>
=={{header|Delphi}}==
{{libheader| System.SysUtils}}
<lang Delphi>
program String_preappend;
{$APPTYPE CONSOLE}
uses
System.SysUtils;
type
TStringHelper = record helper for string
procedure Preappend(str: string);
end;
{ TStringHelper }
procedure TStringHelper.Preappend(str: string);
begin
Self := str + self;
end;
begin
var h: string;
// with + operator
h := 'World';
h := 'Hello ' + h;
writeln(h);
// with a function concat
h := 'World';
h := concat('Hello ', h);
writeln(h);
// with helper
h := 'World';
h.Preappend('Hello ');
writeln(h);
readln;
end.</lang>
{{out}}
<pre>Hello World
Hello World
Hello World</pre>
=={{header|Dyalect}}==
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