13 lines
274 B
ObjectPascal
13 lines
274 B
ObjectPascal
begin
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var f: object->string;
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f := o->
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begin
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if o is string(var s) then
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Result := s else
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Result := o=nil?'nil':o.ToString;
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end;
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assert(f('str').Equals('str'));
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assert(f(1).Equals('1'));
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assert(f(new object()).Equals('System.Object'));
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end. |