Method startswith

crates/vm/src/builtins/bytearray.rs:384–402

(
        &self,
        options: anystr::StartsEndsWithArgs,
        vm: &VirtualMachine,
    )

    #[pymethod]
    fn startswith(
        &self,
        options: anystr::StartsEndsWithArgs,
        vm: &VirtualMachine,
    ) -> PyResult<bool> {
        let borrowed = self.borrow_buf();
        let (affix, substr) =
            match options.prepare(&*borrowed, borrowed.len(), |s, r| s.get_bytes(r)) {
                Some(x) => x,
                None => return Ok(false),
            };
        substr.py_starts_ends_with(
            &affix,
            "startswith",
            "bytes",
            |s, x: PyBytesInner| s.starts_with(x.as_bytes()),
            vm,
        )
    }

    #[pymethod]
    fn find(&self, options: ByteInnerFindOptions, vm: &VirtualMachine) -> PyResult<isize> {