1 files changed, 17 insertions, 8 deletions
diff --git a/src/sdp/output_epub.d b/src/sdp/output_epub.d
index 90f0ca4..8faf9e1 100644
--- a/src/sdp/output_epub.d
+++ b/src/sdp/output_epub.d
@@ -316,15 +316,24 @@ template SiSUoutputEPub() {
         oebps_content_opf,
       );
     }
-    void epub_write_output_files(
-      string fn_src,
-      string[] seg_filenames,
-      string[][string] doc_epub,
-      string mimetypes,
-      string meta_inf_container_xml,
-      string oebps_toc_ncx,
-      string oebps_content_opf,
+    void epub_write_output_files(Fn,FnS,De,Mt,Mic,Ot,Oc)(
+      Fn  fn_src,
+      FnS seg_filenames,
+      De  doc_epub,
+      Mt  mimetypes,
+      Mic meta_inf_container_xml,
+      Ot  oebps_toc_ncx,
+      Oc  oebps_content_opf,
     ) {
+      debug(asserts){
+        static assert(is(typeof(fn_src)                 == string));
+        static assert(is(typeof(seg_filenames)          == string[]));
+        static assert(is(typeof(doc_epub)               == string[][string]));
+        static assert(is(typeof(mimetypes)              == string));
+        static assert(is(typeof(meta_inf_container_xml) == string));
+        static assert(is(typeof(oebps_toc_ncx)          == string));
+        static assert(is(typeof(oebps_content_opf)      == string));
+      }
       mixin SiSUpaths;
       auto pth_epub = EpubPaths();
       // doc = xhtml_format.scroll_head ~ doc_epub ~  xhtml_format.tail;