Method write_byte

crates/stdlib/src/mmap.rs:1381–1398

(&self, byte: PyObjectRef, vm: &VirtualMachine)

        #[pymethod]
        fn write_byte(&self, byte: PyObjectRef, vm: &VirtualMachine) -> PyResult<()> {
            let b = value_from_object(vm, &byte)?;

            let pos = self.pos();
            let size = self.__len__();

            if pos >= size {
                return Err(vm.new_value_error("write byte out of range"));
            }

            self.try_writable(vm, |mmap| {
                mmap[pos] = b;
            })?;

            self.advance_pos(1);

            Ok(())
        }

        fn __getitem__(&self, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult<PyObjectRef> {
            self.getitem_inner(&needle, vm)