serge-sans-paille updated this revision to Diff 486172.
serge-sans-paille added a comment.
Split the original patch in pieces: first just introduce the deduction guide.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D140896/new/
https://reviews.llvm.org/D140896
Files:
llvm/include/llvm/ADT/ArrayRef.h
Index: llvm/include/llvm/ADT/ArrayRef.h
===================================================================
--- llvm/include/llvm/ADT/ArrayRef.h
+++ llvm/include/llvm/ADT/ArrayRef.h
@@ -466,9 +466,44 @@
~OwningArrayRef() { delete[] this->data(); }
};
- /// @name ArrayRef Convenience constructors
+ /// @name ArrayRef Deduction guides
/// @{
+ /// Deduction guide to construct an ArrayRef from a single element.
+ template <typename T> ArrayRef(const T &OneElt) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a pointer and length
+ template <typename T> ArrayRef(const T *data, size_t length) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a range
+ template <typename T> ArrayRef(const T *data, const T *end) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a SmallVector
+ template <typename T> ArrayRef(const SmallVectorImpl<T> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a SmallVector
+ template <typename T, unsigned N>
+ ArrayRef(const SmallVector<T, N> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a std::vector
+ template <typename T> ArrayRef(const std::vector<T> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a std::array
+ template <typename T, std::size_t N>
+ ArrayRef(const std::array<T, N> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from an ArrayRef (no-op) (const)
+ template <typename T> ArrayRef(const ArrayRef<T> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from an ArrayRef (no-op)
+ template <typename T> ArrayRef(ArrayRef<T> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a C array.
+ template <typename T, size_t N> ArrayRef(const T (&Arr)[N]) -> ArrayRef<T>;
+ /// @}
+
+ /// @name ArrayRef Convenience constructors
+ /// @{
/// Construct an ArrayRef from a single element.
template<typename T>
ArrayRef<T> makeArrayRef(const T &OneElt) {
Index: llvm/include/llvm/ADT/ArrayRef.h
===================================================================
--- llvm/include/llvm/ADT/ArrayRef.h
+++ llvm/include/llvm/ADT/ArrayRef.h
@@ -466,9 +466,44 @@
~OwningArrayRef() { delete[] this->data(); }
};
- /// @name ArrayRef Convenience constructors
+ /// @name ArrayRef Deduction guides
/// @{
+ /// Deduction guide to construct an ArrayRef from a single element.
+ template <typename T> ArrayRef(const T &OneElt) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a pointer and length
+ template <typename T> ArrayRef(const T *data, size_t length) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a range
+ template <typename T> ArrayRef(const T *data, const T *end) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a SmallVector
+ template <typename T> ArrayRef(const SmallVectorImpl<T> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a SmallVector
+ template <typename T, unsigned N>
+ ArrayRef(const SmallVector<T, N> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a std::vector
+ template <typename T> ArrayRef(const std::vector<T> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a std::array
+ template <typename T, std::size_t N>
+ ArrayRef(const std::array<T, N> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from an ArrayRef (no-op) (const)
+ template <typename T> ArrayRef(const ArrayRef<T> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from an ArrayRef (no-op)
+ template <typename T> ArrayRef(ArrayRef<T> &Vec) -> ArrayRef<T>;
+
+ /// Deduction guide to construct an ArrayRef from a C array.
+ template <typename T, size_t N> ArrayRef(const T (&Arr)[N]) -> ArrayRef<T>;
+ /// @}
+
+ /// @name ArrayRef Convenience constructors
+ /// @{
/// Construct an ArrayRef from a single element.
template<typename T>
ArrayRef<T> makeArrayRef(const T &OneElt) {
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