ForEachLine added

buffer.go

@@ -65,6 +65,13 @@ func (b *Buffer[T]) Height() int {
 	return b.height
 }
 
+// ForEach calls f for every value in this buffer
+func (b *Buffer[T]) ForEachLine(f func(line int, content []T)) {
+	for line, content := range b.data {
+		f(line, content)
+	}
+}
+
 // ForEach calls f for every value in this buffer
 func (b *Buffer[T]) ForEach(f func(x, y int, v T)) {
 	for y, col := range b.data {