Function diagnostics_hierarchy::filter_hierarchy

source ยท
pub fn filter_hierarchy<Key>(
    root_node: DiagnosticsHierarchy<Key>,
    hierarchy_matcher: &HierarchyMatcher,
) -> Option<DiagnosticsHierarchy<Key>>
where Key: AsRef<str>,
Expand description

Filters a diagnostics hierarchy using a set of path selectors and their associated property selectors.

If the return type is None that implies that the filter encountered no errors AND the tree was filtered to be empty at the end.