module Enumerable
module IRB
module Spruz
module Spruz::Attempt
module Spruz::Blank
module Spruz::Blank::Array
module Spruz::Blank::FalseClass
module Spruz::Blank::Hash
module Spruz::Blank::NilClass
module Spruz::Blank::Numeric
module Spruz::Blank::Object
module Spruz::Blank::String
module Spruz::Blank::TrueClass
module Spruz::CountBy
module Spruz::DeepDup
module Spruz::FileBinary
module Spruz::FileBinary::ClassMethods
module Spruz::FileBinary::Constants
module Spruz::Full
module Spruz::GO
module Spruz::HashSymbolizeKeysRecursive
module Spruz::HashUnion
module Spruz::LinesFile::LineExtension
module Spruz::Memoize
module Spruz::Minimize
module Spruz::ModuleGroup
module Spruz::Null
module Spruz::Once
module Spruz::P
module Spruz::PartialApplication
module Spruz::RangePlus
module Spruz::Round
module Spruz::SecureWrite
module Spruz::Shuffle
module Spruz::StringCamelize
module Spruz::StringUnderscore
module Spruz::StringVersion
module Spruz::Subhash
module Spruz::TimeDummy
module Spruz::TimeDummy::ClassMethods
module Spruz::ToProc
module Spruz::UniqBy
module Spruz::Write
class Array
class File
class Float
class Hash
class IO
class Integer
class Method
class Module
class Object
class Proc
class Range
class Spruz::Bijection
class Spruz::Generator
class Spruz::Limited
class Spruz::LinesFile
class Spruz::StringVersion::Version
class String
class Symbol
class Time
spruz
0.2.13
# pred!
def pred! self[-1] -= 1 end