compiletest::header

Function extract_version_range

Source 
fn extract_version_range<'a, F, VersionTy: Clone>(
    line: &'a str,
    parse: F,
) -> Option<(VersionTy, VersionTy)>
where
    F: Fn(&'a str) -> Option<VersionTy>,
Expand description

Takes a directive of the form "<version1> [- <version2>]", returns the numeric representation of <version1> and <version2> as tuple: (<version1>, <version2>).

If the <version2> part is omitted, the second component of the tuple is the same as <version1>.