{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"sym::copysignf64"}]}
        sym::copysignf64 => ("copysign", 2, fx.tcx.types.f64, types::F64),
        sym::copysignf32 => ("copysignf", 2, fx.tcx.types.f32, types::F32),
        sym::copysignf128 => ("copysignf128", 2, fx.tcx.types.f128, types::F128),