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pub(crate) fn each_split_within<'a, F>(ss: &'a str, lim: usize, it: F) -> bool where
    F: FnMut(&'a str) -> bool
Expand description

Splits a string into substrings with possibly internal whitespace, each of them at most lim bytes long, if possible. The substrings have leading and trailing whitespace removed, and are only cut at whitespace boundaries.

Note: Function was moved here from std::str because this module is the only place that uses it, and because it was too specific for a general string function.