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class method

RubyVM::YJIT.enabled?

() -> bool

enabled?

# File tmp/rubies/ruby-4.1.0-preview1/yjit.rb, line 12
def self.enabled?
  Primitive.cexpr! 'RBOOL(rb_yjit_enabled_p)'
end

Check if YJIT is enabled.

See also .enable .log .dump_exit_locations .log_enabled? also in 4.0 · 3.4 · 3.3 · 3.2