Constant PY_SSIZE_T_MAX
pub const PY_SSIZE_T_MAX: isize = _; // 9_223_372_036_854_775_807isizeAvailable on crate features
dep_pyo3 and std only.pub const PY_SSIZE_T_MAX: isize = _; // 9_223_372_036_854_775_807isizedep_pyo3 and std only.