ing-sym">misc/do-def</span> <span class="binding-type">macro</span> <span class="binding-type"><a href="https://github.com/janet-lang/janet/blob/894cd0e//home/calvin/code/janet-lang.org/build/spork/misc.janet#L270">source</a></span> <pre class="binding-text">(do-def c d &amp; body)

Convenience macro for defining constant named `c` with value `d` before `body`
and returning it after evaluating `body`, that presumably modifies 
the `c` refered content. For example buffer, table or array.</pre><a href="https: