Start work on asl::string_view

MODULE.bazel.lock

@@ -64,20 +64,20 @@
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@@ -92,7 +92,7 @@
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asl/BUILD.bazel

@@ -15,6 +15,7 @@ cc_library(
         "option.hpp",
         "print.hpp",
         "span.hpp",
+        "string_view.hpp",
         "utility.hpp",
     ],
     srcs = [
@@ -42,5 +43,6 @@ cc_library(
     "meta",
     "option",
     "span",
+    "string_view",
     "utility",
 ]]

asl/string_view.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include "asl/integers.hpp"
+#include "asl/meta.hpp"
+
+namespace asl
+{
+
+class string_view
+{
+    const char* m_data{};
+    int64_t     m_size{};
+
+public:
+    constexpr string_view() = default;
+
+    constexpr string_view(nullptr_t) : string_view() {} // NOLINT(*-explicit-conversions)
+
+    constexpr string_view(const char* data, int64_t size)
+        : m_data{data}
+        , m_size{size}
+    {}
+
+    constexpr string_view(const char* data) // NOLINT(*-explicit-conversions)
+        : m_data{data}
+        , m_size{static_cast<int64_t>(__builtin_strlen(data))}
+    {}
+
+    constexpr string_view(const string_view&) = default;
+    constexpr string_view(string_view&&) = default;
+
+    constexpr string_view& operator=(const string_view&) = default;
+    constexpr string_view& operator=(string_view&&) = default;
+
+    ~string_view() = default;
+};
+
+} // namespace asl

asl/tests/string_view_tests.cpp

@@ -0,0 +1,3 @@
+#include "asl/string_view.hpp"
+#include "asl/testing/testing.hpp"
+