fails:Array#pack with format 'F' calls #to_str to coerce the directives string
fails:Array#pack with format 'F' taints the output string if the format string is tainted
fails:Array#pack with format 'F' raises an ArgumentError if there are fewer elements than the format requires
fails:Array#pack with format 'F' raises ArgumentError when the format modifier is '_'
fails:Array#pack with format 'F' raises ArgumentError when the format modifier is '!'
fails:Array#pack with format 'F' raises a TypeError when passed true
fails:Array#pack with format 'F' raises a TypeError when passed false
fails:Array#pack with format 'F' raises a TypeError if a String does not represent a floating point number
fails:Array#pack with format 'F' raises a TypeError when the object does not respond to #to_f
fails:Array#pack with format 'F' raises a TypeError if passed a String representation of a floating point number
fails:Array#pack with format 'F' encodes NaN
fails:Array#pack with format 'f' calls #to_str to coerce the directives string
fails:Array#pack with format 'f' taints the output string if the format string is tainted
fails:Array#pack with format 'f' raises an ArgumentError if there are fewer elements than the format requires
fails:Array#pack with format 'f' raises ArgumentError when the format modifier is '_'
fails:Array#pack with format 'f' raises ArgumentError when the format modifier is '!'
fails:Array#pack with format 'f' raises a TypeError when passed true
fails:Array#pack with format 'f' raises a TypeError when passed false
fails:Array#pack with format 'f' raises a TypeError if a String does not represent a floating point number
fails:Array#pack with format 'f' raises a TypeError when the object does not respond to #to_f
fails:Array#pack with format 'f' raises a TypeError if passed a String representation of a floating point number
fails:Array#pack with format 'f' encodes NaN
fails:Array#pack with format 'F' raises a TypeError when passed nil
fails:Array#pack with format 'f' raises a TypeError when passed nil
