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make sink operator optional (#13068)

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* make sink operator optional

* bug fix, add changelog entry

* Trigger build

* fix one regression

* fix test

* Trigger build

* fix typos
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cooldome 2020-01-17 11:44:06 +00:00 • committed by GitHub
commit f51613e262
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6 changed files with 56 additions and 62 deletions
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6
tests/destructor/smart_ptr.nim
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@ -20,12 +20,6 @@ proc `=`*[T](dest: var SharedPtr[T], src: SharedPtr[T]) {.inline.} =
discard atomicInc(src.val[].atomicCounter)
dest.val = src.val
proc `=sink`*[T](dest: var SharedPtr[T], src: SharedPtr[T]) {.inline.} =
if dest.val != src.val:
if dest.val != nil:
`=destroy`(dest)
dest.val = src.val
proc newSharedPtr*[T](val: sink T): SharedPtr[T] =
result.val = cast[type(result.val)](allocShared0(sizeof(result.val[])))
result.val.atomicCounter = 1