{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"sym::copysignf32"}]}
        sym::copysignf32 => ("copysignf", 2, fx.tcx.types.f32, types::F32),
        sym::copysignf16 => ("copysignf16", 2, fx.tcx.types.f16, types::F16),
        sym::copysignf64 => ("copysign", 2, fx.tcx.types.f64, types::F64),