pub unsafe extern "C" fn manifold_cross_section_warp_context(
mem: *mut c_void,
cs: *mut ManifoldCrossSection,
fun: Option<unsafe extern "C" fn(arg1: f64, arg2: f64, arg3: *mut c_void) -> ManifoldVec2>,
ctx: *mut c_void,
) -> *mut ManifoldCrossSection