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class method

Gem.solaris_platform?

solaris_platform?

# File tmp/rubies/ruby-4.1.0-preview1/lib/rubygems.rb, line 1115
def self.solaris_platform?
  RUBY_PLATFORM.include?("solaris")
end

Is this platform Solaris?

See also .set_target_rbconfig .source_date_epoch .ruby_version .source_date_epoch_string also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1