Method _neg

crates/vm/src/vm/vm_ops.rs:527–531

(&self, a: &PyObject)

    }

    pub fn _neg(&self, a: &PyObject) -> PyResult {
        self.get_special_method(a, identifier!(self, __neg__))?
            .ok_or_else(|| self.new_unsupported_unary_error(a, "unary -"))?
            .invoke((), self)
    }

    pub fn _invert(&self, a: &PyObject) -> PyResult {
        const STR: &str = "Bitwise inversion '~' on bool is deprecated and will be removed in Python 3.16. \