| Class | Equals | Matches if the items are equal. |
| Class | NotEquals | Matches if the items are not equal. |
| Class | Is | Matches if the items are identical. |
| Class | LessThan | Matches if the item is less than the matchers reference object. |
| Class | GreaterThan | Matches if the item is greater than the matchers reference object. |
| Class | SameMembers | Matches if two iterators have the same members. |
| Class | DoesNotStartWith | No class docstring; 1/2 methods documented |
| Class | StartsWith | Checks whether one string starts with another. |
| Class | DoesNotEndWith | No class docstring; 1/2 methods documented |
| Class | EndsWith | Checks whether one string ends with another. |
| Class | IsInstance | Matcher that wraps isinstance. |
| Class | NotAnInstance | No class docstring; 1/2 methods documented |
| Class | DoesNotContain | No class docstring; 1/2 methods documented |
| Class | Contains | Checks whether something is contained in another thing. |
| Class | MatchesRegex | Matches if the matchee is matched by a regular expression. |
| Function | has_len | Undocumented |
| Function | _format | Blocks of text with newlines are formatted as triple-quote strings. Everything else is pretty-printed. |
| Class | _BinaryComparison | Matcher that compares an object to another object. |
| Class | _BinaryMismatch | Two things did not match. |