January 2024
Intermediate to advanced
718 pages
20h 15m
English
Content preview from Programming Ruby 3.3
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Version 3.3
- The Prism parser is added as a way to work with parsing Ruby code.
- MJIT is replaced with RJIT.
- YJIT gets substantial performance improvements.
- In Ruby 3.4, the keyword it is expected to be enabled as a synonym for _1. In Ruby 3.3, a use of it that might conflict with this future usage will result in a warning.
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