akr4

Keybase proof

I hereby claim:

• I am akr4 on github.
• I am akr4 (https://keybase.io/akr4) on keybase.
• I have a public key ASDy2rbkgMGELpnY2TMrZiXjH5F5N1ezWt1HMB2K-0f-igo

To claim this, I am signing this object:

akr4

#[derive(PartialEq, Eq, Clone, Debug)]
pub struct ListNode {
    pub val: i32,
    pub next: Option<Box<ListNode>>,
}

impl ListNode {
    #[inline]
    fn new(val: i32) -> Self {
        ListNode { next: None, val }

akr4

use std::cell::RefCell;
#[cfg(test)]
use std::collections::LinkedList;
use std::rc::Rc;

#[derive(Debug, PartialEq, Eq)]
pub struct TreeNode {
    pub val: i32,
    pub left: Option<Rc<RefCell<TreeNode>>>,
    pub right: Option<Rc<RefCell<TreeNode>>>,

akr4

use sqlx::sqlite::SqlitePoolOptions;
use anyhow::Result;
use sqlx::{Row, SqlitePool};

fn main() {}

#[tokio::test]
async fn test() -> Result<()> {
    const LOOP_COUNT: usize = 10;
    let db_dir = tempfile::tempdir()?;

akr4

//! A reproducer of the 'database is locked' error.
//! https://www2.sqlite.org/cvstrac/wiki?p=DatabaseIsLocked
//!
//! The error happens like this:
//! ```
//! thread 'tokio-runtime-worker' panicked at 'called `Result::unwrap()` on an `Err` value: Database(SqliteError { code: 5, message: "database is locked" })', src/bin/multiple.rs:35:22
//! ```
//! The code is "5", while the wiki page says it is 6.
//!
//! ```toml