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authorRobert Schumacher <roschuma@microsoft.com>2017-10-13 18:37:41 -0700
committerRobert Schumacher <roschuma@microsoft.com>2017-10-13 18:37:41 -0700
commite17de99599a2f114faab1bb4821fbaad4d266c95 (patch)
tree397fec8a85af3ef002c125ce013eceb60d27116d /toolsrc/include/vcpkg_expected.h
parent1fb5313a881fe0fcfd90dff5255045c8367ee00b (diff)
downloadvcpkg-e17de99599a2f114faab1bb4821fbaad4d266c95.tar.gz
vcpkg-e17de99599a2f114faab1bb4821fbaad4d266c95.zip
[vcpkg] Re-layout all files using new organization scheme.
All filenames and directories are lowercase. Use dots for namespace separation.
Diffstat (limited to 'toolsrc/include/vcpkg_expected.h')
-rw-r--r--toolsrc/include/vcpkg_expected.h114
1 files changed, 0 insertions, 114 deletions
diff --git a/toolsrc/include/vcpkg_expected.h b/toolsrc/include/vcpkg_expected.h
deleted file mode 100644
index 9637ec087..000000000
--- a/toolsrc/include/vcpkg_expected.h
+++ /dev/null
@@ -1,114 +0,0 @@
-#pragma once
-
-#include "vcpkg_Checks.h"
-#include <system_error>
-
-namespace vcpkg
-{
- template<class Err>
- struct ErrorHolder
- {
- ErrorHolder() : m_is_error(false) {}
- template<class U>
- ErrorHolder(U&& err) : m_is_error(true), m_err(std::forward<U>(err))
- {
- }
-
- constexpr bool has_error() const { return m_is_error; }
-
- const Err& error() const { return m_err; }
- Err& error() { return m_err; }
-
- CStringView to_string() const { return "value was error"; }
-
- private:
- bool m_is_error;
- Err m_err;
- };
-
- template<>
- struct ErrorHolder<std::error_code>
- {
- ErrorHolder() = default;
- ErrorHolder(const std::error_code& err) : m_err(err) {}
-
- constexpr bool has_error() const { return bool(m_err); }
-
- const std::error_code& error() const { return m_err; }
- std::error_code& error() { return m_err; }
-
- CStringView to_string() const { return "value was error"; }
-
- private:
- std::error_code m_err;
- };
-
- template<class T, class S>
- class ExpectedT
- {
- public:
- constexpr ExpectedT() = default;
-
- // Constructors are intentionally implicit
-
- ExpectedT(const S& s) : m_s(s) {}
- ExpectedT(S&& s) : m_s(std::move(s)) {}
-
- ExpectedT(const T& t) : m_t(t) {}
- ExpectedT(T&& t) : m_t(std::move(t)) {}
-
- ExpectedT(const ExpectedT&) = default;
- ExpectedT(ExpectedT&&) = default;
- ExpectedT& operator=(const ExpectedT&) = default;
- ExpectedT& operator=(ExpectedT&&) = default;
-
- explicit constexpr operator bool() const noexcept { return !m_s.has_error(); }
- constexpr bool has_value() const noexcept { return !m_s.has_error(); }
-
- T&& value_or_exit(const LineInfo& line_info) &&
- {
- exit_if_error(line_info);
- return std::move(this->m_t);
- }
-
- const T& value_or_exit(const LineInfo& line_info) const &
- {
- exit_if_error(line_info);
- return this->m_t;
- }
-
- const S& error() const & { return this->m_s.error(); }
-
- S&& error() && { return std::move(this->m_s.error()); }
-
- const T* get() const
- {
- if (!this->has_value())
- {
- return nullptr;
- }
- return &this->m_t;
- }
-
- T* get()
- {
- if (!this->has_value())
- {
- return nullptr;
- }
- return &this->m_t;
- }
-
- private:
- void exit_if_error(const LineInfo& line_info) const
- {
- Checks::check_exit(line_info, !m_s.has_error(), m_s.to_string());
- }
-
- ErrorHolder<S> m_s;
- T m_t;
- };
-
- template<class T>
- using Expected = ExpectedT<T, std::error_code>;
-}