Soutaro Matsumoto

#type-checking

#ruby

#static-typing

#rbs

#steep

#duck-typing

#type-annotations

#ruby-3

#developer-tools

#programming-languages

#programming

#metaprogramming

#dynamic-typing

#rubykaigi

#software-development

#parsing

#error-handling

#ruby-on-rails

#abstract-syntax-tree-ast

#programming-language-design

#type-inference

#developer-experience-dx

#ruby-programming

#documentation-tools

#language-server-protocol-lsp

#integrated-development-environment-ide

#api

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