pub unsafe extern "C" fn manifold_calculate_normals(
mem: *mut c_void,
m: *mut ManifoldManifold,
normal_idx: c_int,
min_sharp_angle: c_int,
) -> *mut ManifoldManifold
pub unsafe extern "C" fn manifold_calculate_normals(
mem: *mut c_void,
m: *mut ManifoldManifold,
normal_idx: c_int,
min_sharp_angle: c_int,
) -> *mut ManifoldManifold