ContainsInt returns true if the request key can be found in the provided list.

ContainsInt64 returns true if the request key can be found in the provided list.

ContainsString returns true if the request key can be found in the provided list.

EqualInt64 test if two slices are equal or not.

IntersectString returns with items that can be found in all provided slices.

JoinInt produces a string with all the int values in the provided slice separated by 'separator'.

ReverseString returns with the reverse of a string.