Add new RandomString routine to String Management category

[delphidabbler]

Suggest new routine, with following attributes:

Decription

Returns a random string from the given string list, which must not be empty.

An ERangeError exception is raised if the string list is empty.

Source code

function RandomString(const SL: TStrings): string;
begin
  if SL.Count = 0 then
    raise ERangeError.Create('RandomString called with empty string list');
  Result := SL[Random(SL.Count)];
end;

Snippet type

Routine.

Category

String Management

Required units

SysUtils, Classes.

Required snippets

None.

XRefs

None.

Extra

None.

[delphidabbler]

I have this function in my local Code Snippets user database in the User Defined Snippets category.

[delphidabbler]

The Delphi RTL has a similar routine that returns a random string from an array of strings, but not from a string list.

[delphidabbler]

Implemented, with unit tests, by merge commit 15c7ce2