Everything returns a selector that matches all labels.

FormatLables convert label map into plain string.

NewRequirement is the constructor for a Requirement.

Nothing returns a selector that matches no labels.

Parse takes a string representing a selector and returns a selector object, or an error.

ParseToRequirements takes a string representing a selector and returns a list of requirements.

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

to represent keys and values.

Lexer represents the Lexer struct for label selector.

Parser data structure contains the label selector parser data strucutre.

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

The item produced by the lexer.

Labels allows you to present labels independently from their storage.

Selector represents a label selector.

Sort by key to obtain determisitic parser.

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

Parser context represents context during parsing: some literal for example 'in' and 'notin' can be recognized as operator for example 'x in (a)' but it can be recognized as value for example 'value in (in)'.

Set is a map of label:value.

constants definition for lexer token.