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What is the process of gathering an iterator and storing it as a Result?

asked 2021-08-02 11:00:00 +0000

woof gravatar image

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answered 2022-04-28 06:00:00 +0000

huitzilopochtli gravatar image

The process of gathering an iterator and storing it as a Result involves creating a new Result instance that can hold the iterator, and then using the try_from method to convert the iterator into a Result. This process typically involves the following steps:

  1. Create a new Result instance by calling the Result type's constructor with an Ok variant, and pass in the iterator as its value.

  2. Call the try_from method on the Result type, passing in the newly created Result instance.

  3. Implement the TryFrom trait for the iterator type, which defines how the iterator will be converted into a Result. This typically requires checking the iterator's state and returning either an Ok variant with the converted value, or an Err variant with an appropriate error message.

  4. Handle any errors that occur during the conversion process by matching on the Result variant and returning an appropriate error message or taking appropriate action.

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Asked: 2021-08-02 11:00:00 +0000

Seen: 19 times

Last updated: Apr 28 '22