# Functions
Contains returns a function that checks whether a string or []byte contains a given substring.
ContainsAnyChars returns a function that checks whether a string contains any of the characters from a given set.
EndsWith returns a function that checks whether a string ends with a given suffix.
Eq returns a comparison function that evaluates to true when a value is equal to the provided threshold.
Eqd returns a comparison function that evaluates to true when a value is deeply equal to the provided threshold.
Gt returns a comparison function that evaluates to true when a value is greater than the threshold.
Gte returns a comparison function that evaluates to true when a value is greater than or equal to the threshold.
IsComparable reports whether the value v is comparable.
IsEven is a generic function that checks if the provided integer is even.
IsOdd is a generic function that checks if the provided integer is odd.
IsZero is a generic function designed to check if a value is considered zero.
Lt returns a comparison function that evaluates to true when a value is less than the threshold.
Lte returns a comparison function that evaluates to true when a value is less than or equal to the threshold.
Ne returns a comparison function that evaluates to true when a value is not equal to the provided threshold.
Ned returns a comparison function that evaluates to true when a value is not deeply equal to the provided threshold.
RxMatch returns a function that checks whether a string or []byte matches a given regular expression.
StartsWith returns a function that checks whether a string starts with a given prefix.