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-rw-r--r--html/075channel.mu.html2
1 files changed, 2 insertions, 0 deletions
diff --git a/html/075channel.mu.html b/html/075channel.mu.html
index 49bb5fb3..54fda434 100644
--- a/html/075channel.mu.html
+++ b/html/075channel.mu.html
@@ -102,6 +102,7 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
 <span class="muRecipe">def</span> write out:address:sink:_elem, val:_elem<span class="muRecipe"> -&gt; </span>out:address:sink:_elem [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
+  assert out, <span class="Constant">[write to null channel]</span>
   chan:address:channel:_elem<span class="Special"> &lt;- </span>get *out, <span class="Constant">chan:offset</span>
 <span class="Constant">  &lt;channel-write-initial&gt;</span>
   <span class="Delimiter">{</span>
@@ -132,6 +133,7 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color
 <span class="muRecipe">def</span> read in:address:source:_elem<span class="muRecipe"> -&gt; </span>result:_elem, eof?:boolean, in:address:source:_elem [
   <span class="Constant">local-scope</span>
   <span class="Constant">load-ingredients</span>
+  assert in, <span class="Constant">[read on null channel]</span>
   eof?<span class="Special"> &lt;- </span>copy <span class="Constant">0/false</span>  <span class="Comment"># default result</span>
   chan:address:channel:_elem<span class="Special"> &lt;- </span>get *in, <span class="Constant">chan:offset</span>
   <span class="Delimiter">{</span>