Soutaro Matsumoto
where else to find them
github:soutaro
bluesky:soutaro.bsky.social
mastodon:@soutaro@ruby.social
x:soutaro
speakerdeck:soutaro
devto:soutaro
what they talk about
all 4 in the filters
where they keep going back
all 5 in the filters
on a stage with
never shared a talk
who talks about the same things
- Yusuke Endoh19 talks
- Brian Shirai3 talks
- Joe Leo3 talks
- John Cinnamond7 talks
- Dmitry Petrashko10 talks
- Kevin Deisz5 talks
| title | conference | date |
|---|---|---|
| Making the RBS Parser Faster | RubyKaigi 2026 | 2026-04-22 |
RBS parser work focuses on concrete wins: lexer byte-width caching speeds core RBS parsing ~16% and fixes non-UTF-8 behavior, and switching the arena from mmap… | ||
| IDE development with Ruby | EuRuKo 2021 | 2021-05-28 |
Implemented a Ruby language server for the Steep static type checker that speaks LSP and powers a VS Code extension; single-file incremental checks finish… | ||
| The State of Ruby 3 Typing | RubyConf 2020 | 2020-11-17 |
Ruby 3 does not ship a static type checker but adds the RBS language and an rbs gem to supply type signatures for the standard library and gems; multiple… | ||
| An introduction to typed Ruby programming | GrillRB 2019 | 2019-08-31 |
Ruby 3 adds optional static typing via RBS signature files and a spectrum of tools: a level‑1 type profiler that generates signatures and level‑2 checkers that… | ||
| An introduction to typed Ruby programming | Balkan Ruby 2019 | 2019-05-17 |
Ruby 3 will provide a separate signature language plus shipped standard-library signatures and a gem-signature protocol, while no one standard typechecker or… | ||
| Types and Ruby Programming Language | RubyConf 2017 | 2017-11-15 |
Claim: no one has yet built a practical whole-program Ruby type checker despite a decade of work. Four tools span approaches: DiamondbackRuby uses structural… | ||
| Type Checking Ruby Programs with Annotations | RubyKaigi 2017 | 2017-09-18 |
Type inference for real Ruby programs proves infeasible without help so the solution implemented is a gradual static checker called Steep available on GitHub… | ||
| nothing matches | ||