@nogc with assoc array

[Benjamin Thaut via Digitalmars-d-learn]

Am 16.02.2015 um 18:55 schrieb Jonathan Marler:
> Why is the 'in' operator nogc but the index operator is not?
>
> void main() @nogc
> {
>      int[int] a;
>      auto v = 0 in a; // OK
>      auto w = a[0];   // Error: indexing an associative
>                       // array in @nogc function main may
>                       // cause GC allocation
> }

Because the index operator throws a OutOfRange exception and throwing 
exceptions allocates, maybe?