Module pica_record::matcher::field

Matcher that can be applied on a list of FieldRef.

Structs

• CardinalityMatcher
• ExistsMatcher
  A matcher that checks if a field exists.
• SubfieldsMatcher
  A matcher that checks whether the subfields meet a criterion.

Enums

• FieldMatcher
  A matcher that allows grouping, negation and connecting of SingletonMatcher.
• SingletonMatcher
  A matcher that checks for an ExistsMatcher or a SubfieldsMatcher.