Tooling

Matthias Endler - Backend Engineer at trivago - Deals with Website Performance - Worked a lot with Python and PHP - Played a bit with Golang - Not a Rust Programmer yet - Likes the ideas of Rust @matthiasendler

What I like about… • PHP: Package manager, Community • Python: Syntax, Libraries • Golang: Tooling, Documentation • C: Speed, no overhead

What I like about… • PHP: Package manager, Community • Python: Syntax, Libraries • Golang: Tooling, Documentation • C: Speed, no overhead RUST

RUST: High level on bare metal

Complexity vs Speed • PHP • Python • Golang • Rust • C Faster „Easier“

Systems Programming Memory management Error handling Static Typing Compiling …

Systems Programming is hard!

Fast feedback loops What we need:

Fast feedback loops What we need: Awesome tooling How we get it:

Fast feedback loops What we need: Awesome tooling How we get it: Well integrated All of them should be

IDEs?

Visual Studio for Rust

IntelliJ with Rust support

Atom with Rust packages

My tool wishlist Unit testing Package manager Syntax highlighting Formatting Code completion Debugging Code linter Benchmarking Profiling Code coverage

My tool wishlist Unit testing: builtin Package manager Syntax highlighting Formatting Code completion Debugging Code linter Benchmarking Profiling Code coverage

https://doc.rust-lang.org/book/testing.html Unit testing

My tool wishlist Unit testing: builtin Package manager: cargo Syntax highlighting Formatting Code completion Debugging Code linter Benchmarking Profiling Code coverage

My tool wishlist Unit testing: builtin Package manager: cargo Syntax highlighting: atom-language-rust Formatting Code completion Debugging Code linter Benchmarking Profiling Code coverage

My tool wishlist Unit testing: builtin Package manager: cargo Syntax highlighting: atom-language-rust Formatting: rustfmt Code completion Debugging Code linter Benchmarking Profiling Code coverage

My tool wishlist Unit testing: builtin Package manager: cargo Syntax highlighting: atom-language-rust Formatting: rustfmt Code completion: racer Debugging Code linter Benchmarking Profiling Code coverage

My tool wishlist Unit testing: builtin Package manager: cargo Syntax highlighting: atom-language-rust Formatting: rustfmt Code completion: racer Debugging: rust gdb? Code linter Benchmarking Profiling Code coverage

My tool wishlist Unit testing: builtin Package manager: cargo Syntax highlighting: atom-language-rust Formatting: rustfmt Code completion: racer Debugging: rust gdb? Code linter: clippy Benchmarking Profiling Code coverage

My tool wishlist Unit testing: builtin Package manager: cargo Syntax highlighting: atom-language-rust Formatting: rustfmt Code completion: racer Debugging: rust gdb? Code linter: clippy Benchmarking: builtin Profiling Code coverage

My tool wishlist Unit testing: builtin Package manager: cargo Syntax highlighting: atom-language-rust Formatting: rustfmt Code completion: racer Debugging: rust gdb? Code linter: clippy Benchmarking: builtin Profiling: meh… Code coverage

My tool wishlist Unit testing: builtin Package manager: cargo Syntax highlighting: atom-language-rust Formatting: rustfmt Code completion: racer Debugging: rust gdb? Code linter: clippy Benchmarking: builtin Profiling: meh… torch? Code coverage

https://llogiq.github.io/2015/07/15/profiling.html Calls Time

My tool wishlist Unit testing: builtin Package manager: cargo Syntax highlighting: atom-language-rust Formatting: rustfmt Code completion: racer Debugging: rust gdb? Code linter: clippy Benchmarking: builtin Profiling: meh… torch? Code coverage: kcov?

kcov …is a code coverage tester for compiled programs, Python scripts and shell scripts language: rust matrix: fast_finish: true include: - rust: nightly env: FEATURES="--features nightly" sudo: false - rust: nightly env: FEATURES="--features nightly" BENCH=true sudo: false - rust: beta sudo: true after_success: | sudo apt-get install libcurl4-openssl-dev libelf-dev libdw-dev && wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz && tar xzf master.tar.gz && mkdir kcov-master/build && cd kcov-master/build && cmake .. && make && sudo make install && cd ../.. && kcov --coveralls-id=$TRAVIS_JOB_ID --exclude-pattern=/.cargo target/kcov target/debug/hyper-* Put this into your .travis.yml:

Summary Lots of work to do But impressive start

We need to focus on those… Unit testing Package manager Syntax highlighting Formatting Code completion Debugging Code linter Benchmarking Profiling Code coverage

Bonus rr - a reverse debugger
 (http://rr-project.org/) Dash - Offline API Documentation browser for Mac (https://kapeli.com/dash) Crates.io reverse package lookup
 (https://crates.io/crates/serde/reverse_dependencies)

Even more at https://gist.github.com/nrc/a3bbf6dd1b14ce57f18c