build_expn_tree

rustc_mir_transform::coverage::expansion

Function build_expn_tree 

Source 
pub(crate) fn build_expn_tree(
    spans: impl IntoIterator<Item = SpanWithBcb>,
) -> ExpnTree
Expand description

Given a collection of span/BCB pairs from potentially-different syntax contexts, arranges them into an “expansion tree” based on their expansion call-sites.