# With precompiled function blobs (optional, pick one)
为了「巴拿马项目」，Anthropic 还专门聘请了 Tom Turvey 来主持这项工作。Turvey 曾参与创建谷歌图书项目，那个项目同样因大规模扫描书籍引发了长达多年的版权争议。Anthropic 选择这个人来主导这件事，很难说是一种巧合。，更多细节参见爱思助手下载最新版本
this isn’t just an academic curiosity. flip the alternation order to (ab|a)+ and suddenly PCRE matches the entire string! the | operator in backtracking engines is ordered - it’s not union, it’s “try left first”. the order of branches changes the result, which means | is not commutative. a|b and b|a can give different matches.。PDF资料对此有专业解读
Just like Effekt, I think the do keyword is nice to indicate that you’re doing something with an effect. I think this would be required on any function call that has an effect, like this: