14 lines
327 B
Text
14 lines
327 B
Text
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```doc
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# Addition
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Values which wish to implement the `+` infix operator must implement this protocol.
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```
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protocol Addition, as:
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```doc
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Add `lhs` and `rhs` together, returning an option.
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It is left up to the implementer to define when it should return `Some` or `None`.
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```
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def add(lhs: Self, rhs: Any): Option
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end
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