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first version of ropes.nim with unsafeNew (broken)

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Araq 2012-12-02 00:44:29 +01:00
commit 76885c754a
6 changed files with 110 additions and 63 deletions
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lib/system.nim
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@ -112,11 +112,17 @@ proc new*[T](a: var ref T) {.magic: "New", noSideEffect.}
## creates a new object of type ``T`` and returns a safe (traced)
## reference to it in ``a``.
proc new(T: typedesc): ref T =
proc new*(T: typedesc): ref T =
## creates a new object of type ``T`` and returns a safe (traced)
## reference to it as result value
new(result)
proc unsafeNew*[T](a: var ref T, size: int) {.magic: "New", noSideEffect.}
## creates a new object of type ``T`` and returns a safe (traced)
## reference to it in ``a``. This is **unsafe** as it allocates an object
## of the passed ``size``. This should only be used for optimization
## purposes when you know what you're doing!
proc internalNew*[T](a: var ref T) {.magic: "New", noSideEffect.}
## leaked implementation detail. Do not use.