Add from_fn(), corresponding to std::iter::from_fn() #20
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This function enables construction from a method returning `Result<Option<_>, _`. The same can be achieved through using `convert(std::iter::from_fn())` but the function could then not use `?` for error-handling.
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dpc
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May 13, 2022
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This function enables construction from a method returning
Result<Option<_>, _. The same can be achieved through usingconvert(std::iter::from_fn())but the function could then not use?forerror-handling.