Method del_item

crates/vm/src/protocol/object.rs:771–788

(&self, needle: &K, vm: &VirtualMachine)

    }

    pub fn del_item<K: DictKey + ?Sized>(&self, needle: &K, vm: &VirtualMachine) -> PyResult<()> {
        if let Some(dict) = self.downcast_ref_if_exact::<PyDict>(vm) {
            return dict.del_item(needle, vm);
        }

        let mapping = self.mapping_unchecked();
        if let Some(f) = mapping.slots().ass_subscript.load() {
            let needle = needle.to_pyobject(vm);
            return f(mapping, &needle, None, vm);
        }
        let seq = self.sequence_unchecked();
        if let Some(f) = seq.slots().ass_item.load() {
            let i = needle.key_as_isize(vm)?;
            return f(seq, i, None, vm);
        }

        Err(vm.new_type_error(format!("'{}' does not support item deletion", self.class())))
    }

    /// Equivalent to CPython's _PyObject_LookupSpecial
    /// Looks up a special method in the type's MRO without checking instance dict.