[fpc-pascal] Overloading doubt: bug or feature

[leledumbo]

Is the following a bug or undocumented "feature"?

function f(s: string): string;
begin
  f := '''' + s + '''';
end;

function f(s: string): integer;
begin
  Val(s,f);
end;

var
  i: Integer;
begin
  // i := f('123'); // Error: Incompatible types: got "ShortString" expected
"SmallInt"
  WriteLn(f('123')); // Calls function f(s: string): string;
end.




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