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[StringRef] Use default member initializers and = default.

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Summary: This makes the default constructor implicitly constexpr and noexcept.

Reviewers: zturner, beanz

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D27094

llvm-svn: 288131
This commit is contained in:
Malcolm Parsons 2016-11-29 10:53:18 +00:00
parent 62124599cb
commit 2eb7118041
1 changed files with 3 additions and 3 deletions
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6
include/llvm/ADT/StringRef.h
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@ -53,10 +53,10 @@ namespace llvm {
private:
/// The start of the string, in an external buffer.
const char *Data;
const char *Data = nullptr;
/// The length of the string.
size_t Length;
size_t Length = 0;
// Workaround memcmp issue with null pointers (undefined behavior)
// by providing a specialized version
@ -71,7 +71,7 @@ namespace llvm {
/// @{
/// Construct an empty string ref.
/*implicit*/ StringRef() : Data(nullptr), Length(0) {}
/*implicit*/ StringRef() = default;
/// Disable conversion from nullptr. This prevents things like
/// if (S == nullptr)