justinas

Slides accompanying my presentation NixOS: a sales pitch.

justinas

{ pkgs ? import <nixpkgs> { } }:
pkgs.writeShellScriptBin "nixos-outdated" ''
  nixos-rebuild dry-build 2>&1 \
    | ${pkgs.gnugrep}/bin/grep /nix/store \
    | ${pkgs.coreutils}/bin/cut -d '/' -f 4 \
    | ${pkgs.coreutils}/bin/cut -d '-' -f 2- \
    | ${pkgs.coreutils}/bin/sort
''

justinas

[package]
name = "sandbox"
version = "0.1.0"
authors = ["User Name <foo@bar>"]
edition = "2018"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[features]
profiling = ["funtime"]

justinas

error[E0277]: the trait bound `(): warp::reply::Reply` is not satisfied
   --> oon_web/src/main.rs:133:5
    |
133 |     warp::serve(routes).run(([127u8, 0, 0, 1], port)).await;
    |     ^^^^^^^^^^^ the trait `warp::reply::Reply` is not implemented for `()`
    | 
   ::: /home/justinas/.cargo/git/checkouts/warp-4a034a455cef9a29/5c26956/src/server.rs:26:8
    |
26  |     S: IntoWarpService + 'static,
    |        --------------- required by this bound in `warp::server::serve`

justinas

Keybase proof

I hereby claim:

• I am justinas on github.
• I am justinas (https://keybase.io/justinas) on keybase.
• I have a public key whose fingerprint is E20A 88AF 681D 9244 AB3A 49CE 2715 B54B 10AB 8911

To claim this, I am signing this object:

justinas

use nmatoolkit::random::generate_i64;
use nmatoolkit::io3::read_i64;

fn main() {
    let min_bound: i64 = 0;
    let max_bound: i64 = 10;
    let num = generate_i64(min_bound, max_bound);
    println!("Spėk!");
    println!("{}", if match read_i64() {Ok(i) => i, Err(e) => {println!("Error: {}", e); num - 1},} == num {"Pasisekė..."} else { "Nepataikei. Gal netaiklus?"});
}

justinas

/// Defines an enum and implements a static function for it
/// that returns the number of variants it can take.
macro_rules! enum_len {
    // 'Public API': 0 variants
    ($name:ident, []) => {
        enum_len!($name, [], [], 0);
    };

    // 'Public API': 1 variant
    ($name:ident, [$first:ident]) => {

justinas

$ cat a.rs; xgettext a.rs -o -
fn main() {
    catalog.gettext("Cucumber");
    catalog.ngettext("Cucumber", "Cucumbers", 42);
    catalog.pgettext("a vegetable", "Cucumber");
    catalog.npgettext("a vegetable", "Cucumber", "Cucumbers", 42);

    gettext!("Hi");
}
xgettext: warning: file 'a.rs' extension 'rs' is unknown; will try C

justinas

Keybase proof

I hereby claim:

• I am justinas on github.
• I am justinas (https://keybase.io/justinas) on keybase.
• I have a public key whose fingerprint is E20A 88AF 681D 9244 AB3A 49CE 2715 B54B 10AB 8911

To claim this, I am signing this object:

justinas

/*
Basically, while writing a web app in Go I felt that
templates were the most undertested part of it.
I have no checks whether a handler actually executes a template,
is it the right one, is the correct context passed, etc.

This kind of mock provides a way to make lots of these checks.
*/

type Executable interface{