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As string_view operations on std::map<std::string> won't be integrated until C++26, placeholder implementations are used which are less efficient in a couple of situations (e.g. insert with hint).
29 lines
1.0 KiB
Diff
29 lines
1.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: PJ Reiniger <pj.reiniger@gmail.com>
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Date: Tue, 3 May 2022 22:16:10 -0400
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Subject: [PATCH 12/38] Extra collections features
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---
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llvm/lib/Support/raw_ostream.cpp | 8 +++
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2 files changed, 110 insertions(+), 1 deletion(-)
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diff --git a/llvm/lib/Support/raw_ostream.cpp b/llvm/lib/Support/raw_ostream.cpp
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index 57d3091fd5cc5b416e814f9f33811f0fa7afe9cf..5bec803ccc76ce287b7ff3ea037d5e490a7af20c 100644
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--- a/llvm/lib/Support/raw_ostream.cpp
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+++ b/llvm/lib/Support/raw_ostream.cpp
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@@ -77,6 +77,14 @@ constexpr raw_ostream::Colors raw_ostream::WHITE;
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constexpr raw_ostream::Colors raw_ostream::SAVEDCOLOR;
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constexpr raw_ostream::Colors raw_ostream::RESET;
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+namespace {
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+// Find the length of an array.
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+template <class T, std::size_t N>
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+constexpr inline size_t array_lengthof(T (&)[N]) {
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+ return N;
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+}
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+} // namespace
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+
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raw_ostream::~raw_ostream() {
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// raw_ostream's subclasses should take care to flush the buffer
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// in their destructors.
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