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(→{{header|Genyris}}: F# added) |
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}</lang> |
}</lang> |
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=={{header|F Sharp|F#}}== |
=={{header|F Sharp|F#}}== |
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A type with only abstract members and without constructors is an '''interface''' (when not marked with the <code>AbstractClass</code> |
A type with only abstract members and without constructors is an '''interface''' (when not marked with the <code>AbstractClass</code> attribute). Example: |
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<lang fsharp>type Shape = |
<lang fsharp>type Shape = |
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abstract Perimeter: unit -> float |
abstract Perimeter: unit -> float |
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