rustc_codegen_ssa::debuginfo::type_names

Function push_closure_or_coroutine_name

source 
fn push_closure_or_coroutine_name<'tcx>(
    tcx: TyCtxt<'tcx>,
    def_id: DefId,
    args: GenericArgsRef<'tcx>,
    qualified: bool,
    output: &mut String,
    visited: &mut FxHashSet<Ty<'tcx>>,
)