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moverload_asgn2.nim

moverload_asgn2.nim 235 B
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  1. discard """
    2. 

  2.   matrix: "--mm:refc"
    3. 

  3. """
    4. 

  4. 

  5. type
    6. 

  6.   Concrete* = object
    7. 

  7.     a*, b*: string
    8. 

  8.     rc*: int # refcount
    9. 

  9. 

  10. proc `=`(d: var Concrete; src: Concrete) =
    11. 

  11.   shallowCopy(d.a, src.a)
    12. 

  12.   shallowCopy(d.b, src.b)
    13. 

  13.   dec d.rc
    14. 

  14.   d.rc = src.rc + 1
    15. 

  15.