The Big Programming Thread - Page 334

std::chrono::steady_clock::now();

#include <functional>

namespace m{
     //inside scope of namespace m
    struct tea{
        //inside scope of class tea
        static void liq(){}
        void uid(){}
    };
}

...{
    m::tea::liq(); //ok, method is static (residing under namespace m and under the scope of class tea)
    m::tea::uid(); //woops compile error, needs instance of object
    m::tea t;
    std::bind(&m::tea::uid, &t)(); //ok, reference to the object t bound to function and called
    t.liq(); //also ok
    t.uid(); //ok
}

a,b = b, a + b

b = a + b;
a = b - a;

a,b = b, a

b = a + b
a = b - a
b = b - a

tempA = b
tempB = a
a = tempA
b = tempB

temp = A;
A = B;
B = temp;

a, b = b, a

  1           0 LOAD_NAME                0 (b)
              3 LOAD_NAME                1 (a)
              6 ROT_TWO             
              7 STORE_NAME               1 (a)
             10 STORE_NAME               0 (b)
             13 LOAD_CONST               0 (None)
             16 RETURN_VALUE        

a, b = 1, 2

  1           0 LOAD_CONST               3 ((1, 2))
              3 UNPACK_SEQUENCE          2
              6 STORE_NAME               0 (a)
              9 STORE_NAME               1 (b)
             12 LOAD_CONST               2 (None)
             15 RETURN_VALUE