added

vendor/github.com/philhofer/fwd/writer_tinygo.go

@@ -0,0 +1,19 @@
+//go:build tinygo
+// +build tinygo
+
+package fwd
+
+import (
+	"reflect"
+	"unsafe"
+)
+
+// unsafe cast string as []byte
+func unsafestr(b string) []byte {
+	l := uintptr(len(b))
+	return *(*[]byte)(unsafe.Pointer(&reflect.SliceHeader{
+		Len:  l,
+		Cap:  l,
+		Data: (*reflect.StringHeader)(unsafe.Pointer(&b)).Data,
+	}))
+}