View Compilation Error

0_0_28849487_23136.cpp:1:1: error: expected unqualified-id before '<' token
 <code class=" hljs erlang"><span class="hljs-function"><span class="hljs-title">gcd<span class="hljs-params">(a,b) =<span class="hljs-title">a<span class="hljs-params">(b=0)
 ^