fn __action811(
cx: &mut ParseCtxt<'_>,
__0: (Location, Vec<GenericParam>, Location),
__1: (Location, GenericParam, Location),
) -> Vec<GenericParam>fn __action811(
cx: &mut ParseCtxt<'_>,
__0: (Location, Vec<GenericParam>, Location),
__1: (Location, GenericParam, Location),
) -> Vec<GenericParam>