playframework - Recursive blocks in Scala Play Framework templates -

i'm writing template blog post, has threaded comments. natural way of writing template threaded comments use recursive way constructing html. this:

@showcomment(comment: models.comment) = {     <div class="comment">         <div class="comment-metadata">             <span class="comment-author">by @comment.author,</span>             <span class="comment-date">                 @comment.postedat.format("dd mmm yy")             </span>         </div>         <div class="comment-content">             <div class="about">detail: </div>             @html(comment.content.replace("\n", "<br>"))         </div>         <a href="@action(controllers.application.replycomment(comment.id()))">reply</a>         @comments filter { c => c.parent_id == comment.id } map {              c => @showcomment(c)         }     </div> } 

the problem using recursive block yields error:

error raised : recursive method showcomment needs result type

if try put return type in showcomment raises errror:

error raised : not found: value showcomment

any workaround?

this works me:

enclose code in @{}

@{      //use regular scala here:     def showcomment(comment: models.comment):node = {     ....     }     //the above declared recursive method, call it:     showcomment(...)  } 

• define recursive method
• call method @ end of block
• profit !