pub unsafe extern "C" fn manifold_cross_section_mirror(
mem: *mut c_void,
cs: *mut ManifoldCrossSection,
ax_x: f64,
ax_y: f64,
) -> *mut ManifoldCrossSection
pub unsafe extern "C" fn manifold_cross_section_mirror(
mem: *mut c_void,
cs: *mut ManifoldCrossSection,
ax_x: f64,
ax_y: f64,
) -> *mut ManifoldCrossSection