DMD won't compile re-init of variable

[MoonlightSentinel]

On Thursday, 30 January 2020 at 21:09:41 UTC, Simon wrote:
> Hi dlang community,
>
> I'm trying to implement a "reset" functionality which should 
> revert all variables to the program start initial state.
>
> Example:
>
> import Graph;
> protected Edge[string] m_string2edge;
>
> int main()
> {
>     // adding some elements
>     // not important how it works
>     // m_string2edge[name] = e;
>
>     // resetting it
>     m_string2edge = null;
>     m_string2edge = new Edge[string]; // <- won't compile
>
>     return 0;
> }
>
> How do I revert my variable to the init state?
>
> Thanks in advance,
> Simon

You can use m_string2edge.clear() if you want to remove all 
entries from m_string2edge.

See https://dlang.org/spec/hash-map.html#properties