let mut ty_substs = FxHashMap();
let mut lt_substs = FxHashMap();
provided_params.with_generic_args(|generic_args| {
- let mut indices = ty::GenericParamCount {
- lifetimes: 0,
- types: 0
- };
+ let mut indices: GenericParamCount = Default::default();
for param in generics.params.iter() {
match param.kind {
hir::GenericParamKind::Lifetime { .. } => {