diff options
Diffstat (limited to 'absl/strings/str_cat.h')
| -rw-r--r-- | absl/strings/str_cat.h | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/absl/strings/str_cat.h b/absl/strings/str_cat.h index e7823683..68637ce8 100644 --- a/absl/strings/str_cat.h +++ b/absl/strings/str_cat.h @@ -100,6 +100,7 @@ #include <vector> #include "absl/base/attributes.h" +#include "absl/base/nullability.h" #include "absl/base/port.h" #include "absl/meta/type_traits.h" #include "absl/strings/has_absl_stringify.h" @@ -206,7 +207,7 @@ struct Hex { !std::is_pointer<Int>::value>::type* = nullptr) : Hex(spec, static_cast<uint64_t>(v)) {} template <typename Pointee> - explicit Hex(Pointee* v, PadSpec spec = absl::kNoPad) + explicit Hex(absl::Nullable<Pointee*> v, PadSpec spec = absl::kNoPad) : Hex(spec, reinterpret_cast<uintptr_t>(v)) {} template <typename S> @@ -349,7 +350,7 @@ class AlphaNum { ABSL_ATTRIBUTE_LIFETIME_BOUND) : piece_(&buf.data[0], buf.size) {} - AlphaNum(const char* c_str // NOLINT(runtime/explicit) + AlphaNum(absl::Nullable<const char*> c_str // NOLINT(runtime/explicit) ABSL_ATTRIBUTE_LIFETIME_BOUND) : piece_(NullSafeStringView(c_str)) {} AlphaNum(absl::string_view pc // NOLINT(runtime/explicit) @@ -376,7 +377,7 @@ class AlphaNum { AlphaNum& operator=(const AlphaNum&) = delete; absl::string_view::size_type size() const { return piece_.size(); } - const char* data() const { return piece_.data(); } + absl::Nullable<const char*> data() const { return piece_.data(); } absl::string_view Piece() const { return piece_; } // Match unscoped enums. Use integral promotion so that a `char`-backed @@ -446,7 +447,7 @@ namespace strings_internal { // Do not call directly - this is not part of the public API. std::string CatPieces(std::initializer_list<absl::string_view> pieces); -void AppendPieces(std::string* dest, +void AppendPieces(absl::Nonnull<std::string*> dest, std::initializer_list<absl::string_view> pieces); template <typename Integer> @@ -576,19 +577,20 @@ ABSL_MUST_USE_RESULT inline std::string StrCat( // absl::string_view p = s; // StrAppend(&s, p); -inline void StrAppend(std::string*) {} -void StrAppend(std::string* dest, const AlphaNum& a); -void StrAppend(std::string* dest, const AlphaNum& a, const AlphaNum& b); -void StrAppend(std::string* dest, const AlphaNum& a, const AlphaNum& b, - const AlphaNum& c); -void StrAppend(std::string* dest, const AlphaNum& a, const AlphaNum& b, - const AlphaNum& c, const AlphaNum& d); +inline void StrAppend(absl::Nonnull<std::string*>) {} +void StrAppend(absl::Nonnull<std::string*> dest, const AlphaNum& a); +void StrAppend(absl::Nonnull<std::string*> dest, const AlphaNum& a, + const AlphaNum& b); +void StrAppend(absl::Nonnull<std::string*> dest, const AlphaNum& a, + const AlphaNum& b, const AlphaNum& c); +void StrAppend(absl::Nonnull<std::string*> dest, const AlphaNum& a, + const AlphaNum& b, const AlphaNum& c, const AlphaNum& d); // Support 5 or more arguments template <typename... AV> -inline void StrAppend(std::string* dest, const AlphaNum& a, const AlphaNum& b, - const AlphaNum& c, const AlphaNum& d, const AlphaNum& e, - const AV&... args) { +inline void StrAppend(absl::Nonnull<std::string*> dest, const AlphaNum& a, + const AlphaNum& b, const AlphaNum& c, const AlphaNum& d, + const AlphaNum& e, const AV&... args) { strings_internal::AppendPieces( dest, {a.Piece(), b.Piece(), c.Piece(), d.Piece(), e.Piece(), static_cast<const AlphaNum&>(args).Piece()...}); |