Please tell me this is a bug?

[Peter Alexander via Digitalmars-d]

On Sunday, 22 February 2015 at 02:15:29 UTC, Almighty Bob wrote:
> "Assign Expressions:
> The right operand is implicitly converted to the type of the 
> left operand"
>
> which quite clearly is not the case since...
>
> a=b; // causes an error. but..
> a+=b; // does not.

float does not *implicitly* convert to int. Required explicit 
coercion, which is what the opAssign expression does.