if Condition expression can't have function?

[David Nadlinger via Digitalmars-d]

On Friday, 25 April 2014 at 07:14:48 UTC, FrankLike wrote:
> Hi,everyone,
> Here has a error after run: " main.exe 11 " or " main.exe 10 ":
> […]
> Why?

size_t (the return type of your find()) is always non-negative, 
hence the if condition is never false.

In the future, you might want to consider posting questions such 
as this to the digitalmars.D.learn mailing list/forums.

David