numbbbbb/the-swift-programming-language-in-chinese — pull request #7 by 088haizi (2014-06-04 13:37:40+00:00)
Title: Update a_swift_tour.md

“In an if statement, the conditional must be a Boolean expression—this means that code such as if score { ... } is an error, not an implicit comparison to zero.” 译文中 “not an implicit comparison to zero”未做翻译。