pub fn vec_ext_build_flatten_singleton(
env: &mut Environment,
) -> Result<(), String>Expand description
Vec.flatten_singleton : flatten [[x1], [x2], ...] = [x1, x2, ...]
pub fn vec_ext_build_flatten_singleton(
env: &mut Environment,
) -> Result<(), String>Vec.flatten_singleton : flatten [[x1], [x2], ...] = [x1, x2, ...]