module Kernel

def j(*objs)

one line.
Outputs _objs_ to STDOUT as JSON strings in the shortest form, that is in

def j(*objs)
  if RUBY_VERSION >= "3.0"
    warn "Kernel#j is deprecated and will be removed in json 3.0.0", uplevel: 1, category: :deprecated
  else
    warn "Kernel#j is deprecated and will be removed in json 3.0.0", uplevel: 1
  end
  objs.each do |obj|
    puts JSON.generate(obj, :allow_nan => true, :max_nesting => false)
  end
  nil
end

Instance Methods