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Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →

instance method

StringIO#pos=

(::Integer arg0) -> ::Integer
pos = new_position → new_position

Sets the current position (in bytes); see Position.

See also #pos #pread #pid #putc also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0