Who even needs types anyway?

be_the_monkey_patch_you_wish_to_see_in_the_world.rb

# This fixes a bug that the code below triggered. SiB uses String#<< on this line:
# https://github.com/JoshCheek/seeing_is_believing/blob/46d49a53a68ec22edd52322ad0f1192ef2d77f51/lib/seeing_is_believing/event_stream/producer.rb#L155
# So it should include this alias in the Safe refinements here:
# https://github.com/JoshCheek/seeing_is_believing/blob/46d49a53a68ec22edd52322ad0f1192ef2d77f51/lib/seeing_is_believing/safe.rb#L47-L51
module SeeingIsBelieving::Safe
  refine String do
    alias << <<
  end
end


require 'json'
class String
  def to_num
    Integer self rescue Float self rescue JSON.parse self rescue raise TypeError, "Can't convert #{inspect} into a number!"
  end

  num = -> name, next_method do
    define_method(name) { |*ords, **kws, &blk| to_num.public_send(name, *ords, **kws, &blk).public_send(next_method) }
  end

  %i[divmod coerce to_int].each { |name| num[name, :itself]  }
  %i[-@ +@ ~ + - / * ** ^ << >> []].each { |name| num[name, :to_s] }
end

# Omg, its brilliant, we don't have to care about types anymore! Someone tell Rails!
1 + '2'  # => 3
'1' + 2  # => "3"

# Integer division! Float division! String division!
'10'   / 4     # => "2"
'10'   / 4.0   # => "2.5"
'10.0' / 4     # => "2.5"
'10'   / '4'   # => "2"
'10'   / '4.0' # => "2.5"

# Sleeptastic!
Time.now # => 2021-03-05 16:57:36.010799 -0600
sleep "2"
Time.now # => 2021-03-05 16:57:38.015985 -0600

# Addable! Negatable! (not concatenatable)
'12' + '23' # => "35"
-'123'      # => "-123"

# Bitwise operatable!
"%b" % ( ~'0b1100110011001100' # => "-52429"
)   # => "..10011001100110011"

# Arrayable, Hashable, Indexable!
"[11, 22, 33]"["1"] + '{"a": "44", "b": "55"}'["a"] # => "66"