18 lines
298 B
Rust
18 lines
298 B
Rust
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use std::iter::Peekable;
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pub struct Span<F: Fn(&i32)> {
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inner: Peekable<ConditionalIterator<F>>,
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}
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struct ConditionalIterator<F> {
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f: F,
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}
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impl<F: Fn(&i32)> Iterator for ConditionalIterator<F> {
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type Item = ();
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fn next(&mut self) -> Option<Self::Item> {
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todo!()
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}
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}
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