https://github.com/Sirraide created
https://github.com/llvm/llvm-project/pull/143516
This adds two `value_or` overloads to `UnsignedOrNone`. I’ve had a use for
these in something I’m currently working on and thought it might make sense to
add them separately. The overload that takes an `UnsignedOrNone` might seem a
bit strange at first, but I think it makes sense given how specific this class
already is.
>From 4680bcde0d6abda40dac303275e4ac42f1573109 Mon Sep 17 00:00:00 2001
From: Sirraide <aeternalm...@gmail.com>
Date: Sun, 8 Jun 2025 17:21:13 +0200
Subject: [PATCH] Add a 'value_or' helper to 'UnsignedOrNone'
---
clang/include/clang/Basic/UnsignedOrNone.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/clang/include/clang/Basic/UnsignedOrNone.h
b/clang/include/clang/Basic/UnsignedOrNone.h
index 659fd8c6487d2..5081e3c2a9e32 100644
--- a/clang/include/clang/Basic/UnsignedOrNone.h
+++ b/clang/include/clang/Basic/UnsignedOrNone.h
@@ -29,6 +29,14 @@ struct UnsignedOrNone {
}
constexpr unsigned toInternalRepresentation() const { return Rep; }
+ constexpr unsigned value_or(unsigned val) const {
+ return operator bool() ? **this : val;
+ }
+
+ constexpr UnsignedOrNone value_or(UnsignedOrNone val) const {
+ return operator bool() ? *this : val;
+ }
+
explicit constexpr operator bool() const { return Rep != 0; }
unsigned operator*() const {
assert(operator bool());
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