AK: Add Span::first()

The missing sibling to Span::last()!
Author: https://github.com/MacDue Commit: https://github.com/SerenityOS/serenity/commit/668204041b Pull-request: https://github.com/SerenityOS/serenity/pull/16938
2025-04-22 04:25:13 +00:00 · 2023-01-09 23:30:12 +00:00 · 2023-01-09 23:30:12 +00:00 · 668204041b · 2024-07-17 01:51:56 +09:00
commit 668204041b
parent 30b51b06b9
1 changed files with 10 additions and 0 deletions
--- a/AK/Span.h
+++ b/AK/Span.h
@ -212,6 +212,16 @@ public:
        return this->m_values[index];
    }

+    [[nodiscard]] ALWAYS_INLINE constexpr T const& first() const
+    {
+        return this->at(0);
+    }
+
+    [[nodiscard]] ALWAYS_INLINE constexpr T& first()
+    {
+        return this->at(0);
+    }
+
    [[nodiscard]] ALWAYS_INLINE constexpr T const& last() const
    {
        return this->at(this->size() - 1);