-- @param ... More Operands
-- @return number
+--- Invert given number.
+-- @class function
+-- @name bnot
+-- @param oper Operand
+-- @return number
+
--- Bitwise AND several numbers.
-- @class function
-- @name band
--- Left shift a number.
-- @class function
--- @name shl
+-- @name lshift
-- @param oper number
-- @param shift bits to shift
-- @return number
--- Right shift a number.
-- @class function
--- @name shr
+-- @name rshift
-- @param oper number
-- @param shift bits to shift
-- @return number
--- Arithmetically right shift a number.
-- @class function
--- @name ashr
+-- @name arshift
-- @param oper number
-- @param shift bits to shift
-- @return number