Package contains provides functions to check if a needle is in an haystack.

Contains returns an error when the passed in object does not not contain the expected values.

Empty returns an error when the passed in object is not empty.

Equal returns an error when the passed in object is equal to the expected value.

Errorf returns an error with the format and the specified message and args.

Format formats an message by making sure the passed in data is nicely indented.

NoError returns an error if err is an error.

NotContains returns an error when the passed in object contains the expected values.

NotEmpty returns an error when the passed in object is empty.

NotEqual returns an error when the passed in object is not equal to the expected value.

NotOneOf returns an error when the passed in object does not contain one of the specified values.

OneOf returns an error when the passed in object contains one of the specified values.

PrintValue prints the specified value in a nice way.