[experiment] add alternative wasm sqlite3 implementation available via build-tag (#2863)

This allows for building GoToSocial with [SQLite transpiled to WASM](https://github.com/ncruces/go-sqlite3) and accessed through [Wazero](https://wazero.io/).

1 files changed, 26 insertions, 0 deletions

diff --git a/vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/wazevoapi/queue.go b/vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/wazevoapi/queue.go
new file mode 100644
index 000000000..e3118fa69
--- /dev/null
+++ b/vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/wazevoapi/queue.go
@@ -0,0 +1,26 @@
+package wazevoapi
+
+// Queue is the resettable queue where the underlying slice is reused.
+type Queue[T any] struct {
+	index int
+	Data  []T
+}
+
+func (q *Queue[T]) Enqueue(v T) {
+	q.Data = append(q.Data, v)
+}
+
+func (q *Queue[T]) Dequeue() (ret T) {
+	ret = q.Data[q.index]
+	q.index++
+	return
+}
+
+func (q *Queue[T]) Empty() bool {
+	return q.index >= len(q.Data)
+}
+
+func (q *Queue[T]) Reset() {
+	q.index = 0
+	q.Data = q.Data[:0]
+}