feat: Slice from slice

mcmah309 · Mar 6, 2024 · 348f48b · 348f48b
1 parent da0436b
commit 348f48b
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diff --git a/lib/src/slice/slice.dart b/lib/src/slice/slice.dart
@@ -39,6 +39,9 @@ final class Slice<T> extends Iterable<T> {
 
   Slice.fromList(List<T> list) : this(list, 0, list.length);
 
+  Slice.fromSlice(Slice<T> slice, [int start = 0, int end = -1])
+      : this(slice._list, slice._start + start, end == -1 ? slice._end : slice._start + end);
+
   @override
   bool operator ==(Object other) {
     return (other is Slice<T> &&

diff --git a/lib/src/slice/slice_extensions.dart b/lib/src/slice/slice_extensions.dart
@@ -2,6 +2,11 @@ part of 'slice.dart';
 
 extension SliceOnListExtension<T> on List<T> {
   Slice<T> asSlice() => Slice.fromList(this);
+
+  Slice<T> slice([int start = 0, int? end]) {
+    end ??= length;
+    return Slice(this, start, end);
+  }
 }
 
 extension SliceOnSliceIntExtension<T> on Slice<num> {