INNER CODE UNIT · Python

__init__

althonos/pyhmmer · src/pyhmmer/utils.py:26

    def __init__(self, iterable: typing.Iterable[_T]):
        self.it = iter(iterable)
        self.peeked = self._sentinel

    def __iter__(self) -> "peekable[_T]":
        return self

    def __next__(self) -> _T:
        if self.peeked is not self._sentinel:
            self.peeked, item = self._sentinel, self.peeked
        else:
            item = next(self.it)
        return item  # type: ignore

    def peek(self) -> _T:
        if self.peeked is self._sentinel:
            self.peeked = next(self.it)
        return self.peeked  # type: ignore

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