treewide: Remove unnecessary namespacing

Change-Id: I97387e043b389c3c0de5cbdf245646992846c821
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/include-fd/stdplus/fd/fmt.hpp b/include-fd/stdplus/fd/fmt.hpp
index 0f0537d..673a93a 100644
--- a/include-fd/stdplus/fd/fmt.hpp
+++ b/include-fd/stdplus/fd/fmt.hpp
@@ -14,7 +14,7 @@
 class FormatBuffer
 {
   public:
-    explicit FormatBuffer(stdplus::Fd& fd, size_t max = 4096);
+    explicit FormatBuffer(Fd& fd, size_t max = 4096);
     ~FormatBuffer() noexcept(false);
     FormatBuffer(const FormatBuffer&) = delete;
     FormatBuffer(FormatBuffer&&) = default;
@@ -32,7 +32,7 @@
     void flush();
 
   private:
-    std::reference_wrapper<stdplus::Fd> fd;
+    std::reference_wrapper<Fd> fd;
     fmt::memory_buffer buf;
     size_t max;
 
@@ -64,7 +64,7 @@
 
   private:
     std::string tmpname;
-    stdplus::ManagedFd fd;
+    ManagedFd fd;
     FormatBuffer buf;
 };
 
diff --git a/include-fd/stdplus/fd/line.hpp b/include-fd/stdplus/fd/line.hpp
index 6a82c7a..e8f4b99 100644
--- a/include-fd/stdplus/fd/line.hpp
+++ b/include-fd/stdplus/fd/line.hpp
@@ -15,7 +15,7 @@
   public:
     static constexpr size_t buf_size = 4096;
 
-    LineReader(stdplus::Fd& fd);
+    LineReader(Fd& fd);
     LineReader(const LineReader&) = delete;
     LineReader(LineReader&&) = default;
     LineReader& operator=(const LineReader&) = delete;
@@ -24,7 +24,7 @@
     const std::string* readLine();
 
   private:
-    std::reference_wrapper<stdplus::Fd> fd;
+    std::reference_wrapper<Fd> fd;
     std::array<char, buf_size> buf;
     std::span<char> buf_data;
     std::string line;
diff --git a/include-fd/stdplus/fd/ops.hpp b/include-fd/stdplus/fd/ops.hpp
index 8f3735b..c51b2ef 100644
--- a/include-fd/stdplus/fd/ops.hpp
+++ b/include-fd/stdplus/fd/ops.hpp
@@ -113,7 +113,7 @@
 }
 
 template <typename SockAddr>
-inline std::optional<stdplus::DupableFd> accept(Fd& fd, SockAddr&& sockaddr)
+inline std::optional<DupableFd> accept(Fd& fd, SockAddr&& sockaddr)
 {
     auto ret = fd.accept(raw::asSpan<std::byte>(sockaddr));
     if (!std::get<0>(ret))
@@ -124,17 +124,17 @@
     {
         throw std::runtime_error("Invalid sockaddr type for accept");
     }
-    return stdplus::DupableFd(std::move(*std::get<0>(ret)));
+    return DupableFd(std::move(*std::get<0>(ret)));
 }
 
-inline std::optional<stdplus::DupableFd> accept(Fd& fd)
+inline std::optional<DupableFd> accept(Fd& fd)
 {
     auto ret = std::get<0>(fd.accept(std::span<std::byte>{}));
     if (!ret)
     {
         return std::nullopt;
     }
-    return stdplus::DupableFd(std::move(*ret));
+    return DupableFd(std::move(*ret));
 }
 
 template <typename Opt>
diff --git a/include-uring/stdplus/io_uring.hpp b/include-uring/stdplus/io_uring.hpp
index 6572e04..260b595 100644
--- a/include-uring/stdplus/io_uring.hpp
+++ b/include-uring/stdplus/io_uring.hpp
@@ -118,7 +118,7 @@
      *  @throws std::system_error if constructing the event fd fails
      *  @return A reference to the descriptor
      */
-    stdplus::ManagedFd& getEventFd();
+    ManagedFd& getEventFd();
 
     /** @brief Non-blocking process all outstanding eventFd events
      *         Should be used instead of process() to clear eventFd events.
@@ -127,7 +127,7 @@
 
   private:
     io_uring ring;
-    std::optional<stdplus::ManagedFd> event_fd;
+    std::optional<ManagedFd> event_fd;
     std::vector<CQEHandler*> handlers;
     std::vector<int> files;
     size_t filesAllocated = 0;
diff --git a/include/stdplus/cancel.hpp b/include/stdplus/cancel.hpp
index cb40c87..b8bc82d 100644
--- a/include/stdplus/cancel.hpp
+++ b/include/stdplus/cancel.hpp
@@ -24,7 +24,7 @@
     }
 };
 
-using CancelHandle = stdplus::Managed<Cancelable*>::HandleF<CancelableF>;
+using CancelHandle = Managed<Cancelable*>::HandleF<CancelableF>;
 
 } // namespace detail
 
diff --git a/src/fd/fmt.cpp b/src/fd/fmt.cpp
index 51fdcb1..0eeb6ae 100644
--- a/src/fd/fmt.cpp
+++ b/src/fd/fmt.cpp
@@ -9,7 +9,7 @@
 namespace fd
 {
 
-FormatBuffer::FormatBuffer(stdplus::Fd& fd, size_t max) : fd(fd), max(max)
+FormatBuffer::FormatBuffer(Fd& fd, size_t max) : fd(fd), max(max)
 {
 }
 
@@ -22,7 +22,7 @@
 {
     if (buf.size() > 0)
     {
-        stdplus::fd::writeExact(fd, buf);
+        writeExact(fd, buf);
         buf.clear();
     }
 }
diff --git a/src/io_uring.cpp b/src/io_uring.cpp
index c824597..0dec400 100644
--- a/src/io_uring.cpp
+++ b/src/io_uring.cpp
@@ -143,13 +143,13 @@
               "io_uring_wait_cqe_timeout");
 }
 
-stdplus::ManagedFd& IoUring::getEventFd()
+ManagedFd& IoUring::getEventFd()
 {
     if (event_fd)
     {
         return *event_fd;
     }
-    stdplus::ManagedFd efd(CHECK_RET(eventfd(0, EFD_NONBLOCK), "eventfd"));
+    ManagedFd efd(CHECK_RET(eventfd(0, EFD_NONBLOCK), "eventfd"));
     CHECK_RET(io_uring_register_eventfd(&ring, efd.get()),
               "io_uring_register_eventfd");
     return *(event_fd = std::move(efd));
@@ -159,7 +159,7 @@
 {
     auto& efd = getEventFd();
     std::byte b[8];
-    while (!stdplus::fd::read(efd, b).empty())
+    while (!fd::read(efd, b).empty())
     {
         process();
     }