| //===--- StringViewExtras.h ----------*- mode:c++;eval:(read-only-mode) -*-===// |
| // Do not edit! See README.txt. |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // There are two copies of this file in the source tree. The one under |
| // libcxxabi is the original and the one under llvm is the copy. Use |
| // cp-to-llvm.sh to update the copy. See README.txt for more details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef DEMANGLE_STRINGVIEW_H |
| #define DEMANGLE_STRINGVIEW_H |
| |
| #include "DemangleConfig.h" |
| |
| #include <string_view> |
| |
| DEMANGLE_NAMESPACE_BEGIN |
| |
| inline bool starts_with(std::string_view self, char C) noexcept { |
| return !self.empty() && *self.begin() == C; |
| } |
| |
| inline bool starts_with(std::string_view haystack, |
| std::string_view needle) noexcept { |
| if (needle.size() > haystack.size()) |
| return false; |
| haystack.remove_suffix(haystack.size() - needle.size()); |
| return haystack == needle; |
| } |
| |
| DEMANGLE_NAMESPACE_END |
| |
| #endif |
