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Improve swap documentation

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monarchdodra 2013-10-20 15:02:57 +02:00
parent ed914dfd10
commit 507a30aaab
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9
std/algorithm.d
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@ -1927,7 +1927,14 @@ unittest
// swap
/**
Swaps $(D lhs) and $(D rhs).
Swaps $(D lhs) and $(D rhs). The instances $(D lhs) and $(D rhs) are moved in
memory, without ever calling $(D opAssign), nor any other function. $(D T)
need not be assignable at all to be swapped.
If $(D lhs) and $(D rhs) reference the same instance, then nothing is done.
$(D lhs) and $(D rhs) must be mutable. If $(D T) is a struct or union, then
its fields must also all be (recursivelly) mutable.
Preconditions: