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