Everything returns a selector that matches all labels.

NewRequirement is the constructor for a Requirement.

ParseSelector takes a string representing a selector and returns an object suitable for matching, or an error.

SelectorFromSet returns a Selector which will match exactly the given Set.

LabelSelector contains a list of Requirements.

Requirement is a selector that contains values, a key and an operator that relates the key and values.

Labels allows you to present labels independently from their storage.

Selector represents a label selector.

Operator represents a key's relationship to a set of values in a Requirement.

Set is a map of label:value.