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/Crystal 0.31

module Iterator::IteratorWrapper

Overview

IteratorWrapper eliminates some boilerplate when defining an Iterator that wraps another iterator.

To use it, include this module in your iterator and make sure that the wrapped iterator is stored in the @iterator instance variable.

Defined in:

iterator.cr

Macro Summary

Macro Detail

macro wrapped_nextSource

Invokes next on the wrapped iterator and returns stop if the given value was a Iterator::Stop. Otherwise, returns the value.

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Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/0.31.1/Iterator/IteratorWrapper.html