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“delphi call function from its name” Code Answer

delphi call function from its name

typescript by Alive Anteater on Jun 28 2020 Donate

interface

type
  TNodeFunction = function(AInput: String): String;

implementation

function Func1(AInput: String): String;
begin
   result := AInput;
end;

function Func2(AInput: String): String;
begin
   result := 'Fooled You';
end;

function Func3(AInput: String): String;
begin
   result := UpperCase(AInput);
end;

procedure Demonstration;
var
  SomeFunc, SomeOtherFunc: TNodeFunction;
begin

     SomeOtherFunc = Func3;

     SomeFunc := Func1;
     SomeFunc('Hello');   // returns 'Hello'
     SomeFunc := Func2;
     SomeFunc('Hello');   // returns 'Fooled You'

     SomeOtherFunc('lower case'); // returns 'LOWER CASE'

end;

Source: stackoverflow.com

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