HaloO David, you wrote: > I appreciate you attempting to explain this, but it remains clear as > mud, at least to me. Could you please try again, using very short, > very non-technical words and not assuming a mathematical or > scientific background on the part of your reader? Ok, second attempt! The <: is the subtype relation operator. Saying Int <: Num means Int is a subtype of Num. With generic types like the Array of ... the question is how this relation shall carry over to the Array type instances. Int @i; Num @n = @i; # type error? Regards, -- TSa (Thomas Sandlaß)Thread Previous | Thread Next