Patch constructor

Patch([ List<Diff>? diffs, int start1 = 0, int start2 = 0, int length1 = 0, int length2 = 0, ])

Constructor. Initializes with an empty list of diffs.

Implementation

Patch([List<Diff>? diffs, this.start1 = 0, this.start2 = 0,
  this.length1 = 0, this.length2 = 0]): this.diffs = diffs ?? [];