Skip to content

[Support] Use llvm::is_detected (NFC) #158504

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 14, 2025
Merged

[Support] Use llvm::is_detected (NFC) #158504

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 3 additions & 6 deletions llvm/include/llvm/Support/FormatVariadicDetails.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -66,13 +66,10 @@ template <class T> class has_FormatProvider {
typedef void (*Signature_format)(const Decayed &, llvm::raw_ostream &,
StringRef);

template <typename U>
static char test(SameType<Signature_format, &U::format> *);

template <typename U> static double test(...);
template <typename U> using check = SameType<Signature_format, &U::format>;

static bool const value =
(sizeof(test<llvm::format_provider<Decayed>>(nullptr)) == 1);
static constexpr bool value =
llvm::is_detected<check, llvm::format_provider<Decayed>>::value;
};

// Test if raw_ostream& << T -> raw_ostream& is findable via ADL.
Expand Down
Loading