STD: : chrono: : duration is the number of belt unit, for the duration of this kind of feeling overl-CodePudding

 
The namespace NAU {

//unit number, 
//Un_ : the form a 
//v: how many quantity 
//pul: each number unit 
TemplateStruct AU {
TP_ v. 
TP_ pul. 

AU (const TP_ & amp; V_=TP_ (0), const TP_ & amp; Pul_=TP_ (1)) 
: v (v_), pul (pul_) 
{} 

Pul TP_ ToNormal const () {return v *; }//convert to normal unit value 
}; 

Void Demo () {
Struct Second {}; 
AU Milis (0.001 50.0 f, f);//50 milliseconds 1 
Printf (" 50 milliseconds is: % f seconds. \ n ", milis. ToNormal ()); 

STD: : chrono: : duration Dura (50.0 f);//50 milliseconds 1 
Printf (" 50 milliseconds is: % f seconds. \ n ", STD: : chrono: : duration_cast & lt; STD: : chrono: : duration (dura). The count ()); 
} 
}