Accumulator factory: Difference between revisions
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(Add complicated generic solution for Rust) |
MaiconSoft (talk | contribs) No edit summary |
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drop accum 3 |
drop accum 3 |
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!print x 2.3</lang> |
!print x 2.3</lang> |
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=={{header|Delphi}}== |
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{{libheader| System.SysUtils}} |
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{{libheader| System.Variants}} |
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<lang Delphi> |
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program Accumulator_factory; |
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{$APPTYPE CONSOLE} |
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uses |
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System.SysUtils, |
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System.Variants; |
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type |
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TFn = TFunc<variant, variant>; |
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function Foo(n: variant): TFn; |
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begin |
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Result := |
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function(i: variant): variant |
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begin |
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n:= n + i; |
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Result := n; |
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end; |
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end; |
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begin |
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var x := Foo(1); |
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x(5); |
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Foo(3); // do nothing |
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Writeln(x(2.3)); |
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Readln; |
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end.</lang> |
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=={{header|E}}== |
=={{header|E}}== |
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<lang e>def foo(var x) { |
<lang e>def foo(var x) { |
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