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来源:雅诚德英语网
You may include a "default" case at the end of a pattern match, either using the underscore wild card character or a meaningfully-named variable.
你可以在模式匹配的最后包含一个“default”默认case,可以使用下划线通配符,或者有含义的变量名。
You may include a "default" case at the end of a pattern match, either using the underscore wild card character or a meaningfully-named variable.
你可以在模式匹配的最后包含一个“default”默认case,可以使用下划线通配符,或者有含义的变量名。