swift类名称显示变量

var ivar = [:]
ivar.className // __NSDictionaryI

var i = 1
i.className // error: 'Int' does not have a member named 'className'
 
    
 
    
 
    
 
    
If you want to get the type of a primitive, you have to use bridgeToObjectiveC(). Example:
 
    
 
    
var i = 1
i.bridgeToObjectiveC().className // __NSCFNumber






println("\(object_getClassName(now))");
 
    
 
     
    
 
     
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