FiveLines returns five \n-separated lines surrounding pos.

RegexpQuery returns a Query for the given regexp.

Everything matches.

All in Sub and Trigram must match.

Nothing matches.

At least one in Sub or Trigram must match.

A DeltaReader reads up to 256 deltas at a time (i.e.

A MetaEntry specifies the offset (in the corresponding data file) and number of entries for each trigram.

A Query is a matching machine, like a regular expression, that matches some text and not other text.

An ErrFunc is called for each error adding a file to the index, allowing the caller to take action (e.g.

An IgnoreFunc returns a non-nil error describing the reason why the file should not be added to the index, or nil if it should be added.

A SuccessFunc is called for each file which was successfully added to the index.