fn enforce_increasing(
    lines: &[(Option<LineNumber>, Option<LineNumber>)]
) -> Vec<(Option<LineNumber>, Option<LineNumber>)>Notable traits for Vec<u8, A>impl<A> Write for Vec<u8, A>where
    A: Allocator,
Expand description

Given a slice of line pairs that are ordered as far as possible, but may refer to earlier lines, return line pairs that are monotonically increasing. If an earlier line occurs after a later line, replace that line with None.