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Add conversion constructor to convert ArrayRef<T*> to ArrayRef<const T*>. Reviewed with Chandler and David Blaikie.
llvm-svn: 216709
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@ -104,6 +104,14 @@ namespace llvm {
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Length(Vec.size()) {}
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#endif
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/// Construct an ArrayRef<const T*> from ArrayRef<T*>. This uses SFINAE to
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/// ensure that only ArrayRefs of pointers can be converted.
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template <typename U>
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ArrayRef(const ArrayRef<U *> &A,
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typename std::enable_if<
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std::is_convertible<U *const *, T const *>::value>::type* = 0)
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: Data(A.data()), Length(A.size()) {}
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/// @}
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/// @name Simple Operations
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/// @{
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