safe_navigation.rb

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user_service.rb

array_methods.rb

hash_transform.rb

block_yield.rb

exception_rescue.rb

module_mixin.rb

regex_match.rb

lambda_proc.rb

safe_navigation.rb

metaprogramming.rb

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safe_navigation.rb

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user&.profile&.settings&.fetch(:theme, "default")↵

array&.first || raise(EmptyArrayError, "No elements")

0WPM•0%•0:00•0/103(0%)|Ln 1, Col 1

UTF-8•Ruby

関連する練習問題

user_service.rb array_methods.rb hash_transform.rb block_yield.rb exception_rescue.rb module_mixin.rb