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llvm/include/llvm/ADT/StringExtras.h
| Show First 20 Lines • Show All 464 Lines • ▼ Show 20 Lines | inline std::string join_items(Sep Separator, Args &&... Items) { | ||||
| return Result; | return Result; | ||||
| } | } | ||||
| /// A helper class to return the specified delimiter string after the first | /// A helper class to return the specified delimiter string after the first | ||||
| /// invocation of operator StringRef(). Used to generate a comma-separated | /// invocation of operator StringRef(). Used to generate a comma-separated | ||||
| /// list from a loop like so: | /// list from a loop like so: | ||||
| /// | /// | ||||
| /// \code | /// \code | ||||
| /// SubsequentDelim SD; | /// ListSeparator SD; | ||||
| /// for (auto &I : C) | /// for (auto &I : C) | ||||
| /// OS << SD << I.getName(); | /// OS << SD << I.getName(); | ||||
| /// \end | /// \end | ||||
| class SubsequentDelim { | class ListSeparator { | ||||
| bool First = true; | bool First = true; | ||||
| StringRef Delim; | StringRef Separator; | ||||
| public: | public: | ||||
| SubsequentDelim(StringRef Delim = ", ") : Delim(Delim) {} | ListSeparator(StringRef Separator = ", ") : Separator(Separator) {} | ||||
| operator StringRef() { | operator StringRef() { | ||||
| if (First) { | if (First) { | ||||
| First = false; | First = false; | ||||
| return {}; | return {}; | ||||
| } | } | ||||
| return Delim; | return Separator; | ||||
| } | } | ||||
| }; | }; | ||||
| } // end namespace llvm | } // end namespace llvm | ||||
| #endif // LLVM_ADT_STRINGEXTRAS_H | #endif // LLVM_ADT_STRINGEXTRAS_H | ||||