title: Meteor/Blaze - Simple string concatenate in parameter
body: <p>I know how to do this via the more expanded, and probably "proper" method, but I was wondering if there are any simpler ways to do this.</p>
  
  <pre><code>{{&gt; alert message="My message"}}
  </code></pre>
  
  <p>Basically, I have a template that takes a value <code>message</code>. I want to give it the message <code>Logged in as: samanime</code>, where <code>samanime</code> is whatever the value of <code>currentUser.username</code>.</p>
  
  <p>I know I can do this by creating a helper to concatenate the two parts for me, but is there some way that I can do it without an extra helper? Maybe something like:</p>
  
  <pre><code>{{&gt; alert message="Logged in as: ${currentUser.username}"}}
  </code></pre>