oxalica

// https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=440c65898633c8dba89e0a036f049e95
use std::ops::Deref;
use std::marker::PhantomData;

#[repr(transparent)]
struct Getter<A, T>(T, PhantomData<A>);

impl<A, T, U> Deref for Getter<A, (T, U)> {
    type Target = Getter<A, U>;
    fn deref(&self) -> &Self::Target {

oxalica

retain_std u64 almost_kept                                                                            
                        time:   [123.44 us 127.97 us 134.19 us]
Found 14 outliers among 100 measurements (14.00%)
  2 (2.00%) low mild
  5 (5.00%) high mild
  7 (7.00%) high severe

retain_early_drop u64 almost_kept                                                                            
                        time:   [98.345 us 100.49 us 103.22 us]
Found 15 outliers among 100 measurements (15.00%)

oxalica

{
  inputs = {
    nixpkgs.url = github:nixos/nixpkgs/nixos-unstable;
    flake-utils.url = github:numtide/flake-utils;
    rust-overlay.url = github:oxalica/rust-overlay;
  };

  outputs = { nixpkgs, flake-utils, rust-overlay, ... }:
    flake-utils.lib.eachSystem ["x86_64-linux"] (system: let
      pkgs = import nixpkgs {

oxalica

use brainfuck::{program::Program, tape}; // brainfuck = "0.2.1"

fn gen_printer(s: &str) -> String {
    assert!(!s.is_empty());
    let s = s.as_bytes();
    let mut buf = "+".repeat(s[0] as usize) + ".";
    for (&prev, &cur) in s.iter().zip(&s[1..]) {
        if prev < cur {
            buf += &"+".repeat((cur - prev) as usize);
        } else if cur < prev {

oxalica

module Main

import Printf

%default total

||| Define the "like" relationship on two `Format`.
||| 
||| One format is "like" the other one iff the former with all non-format-specifier removed is
||| the same as the later.

oxalica

-- https://www.json.org/json-en.html
{-# LANGUAGE OverloadedStrings #-}
import Data.Map.Strict (Map, fromList)
import qualified Data.Text as T
import Data.Char (isDigit, chr, isHexDigit)
import Control.Monad (ap)
import Control.Applicative (Alternative(..), optional)

newtype Parser a = Parser { runParser :: T.Text -> Either String (T.Text, a) }

oxalica

time: 0.979; rss: 176MB	parse_crate
time: 0.000; rss: 176MB	attributes_injection
time: 0.000; rss: 176MB	incr_comp_prepare_session_directory
time: 0.000; rss: 176MB	incr_comp_garbage_collect_session_directories
time: 0.000; rss: 176MB	recursion_limit
time: 0.000; rss: 176MB	plugin_loading
time: 0.000; rss: 176MB	plugin_registration
time: 0.028; rss: 178MB	pre_AST_expansion_lint_checks
time: 0.000; rss: 178MB	crate_injection
time: 0.991; rss: 373MB	expand_crate

oxalica

// statx-sys = "0.3.0"
// libc = "0.2.62"
// criterion = "0.3.0"
//
// Bench with file `a` but no file `b` in working dir.
#![feature(const_cstr_unchecked)]
use libc;
use statx_sys;
use std::{ffi::CStr, fs, mem};
use criterion::*;