Rename ""_array() to ""_a, add ""_t, update tests.

Author: evoskuil

include/bitcoin/system/literals.hpp

@@ -118,10 +118,16 @@ BC_POP_WARNING()
 /// Text representations.
 /// ---------------------------------------------------------------------------
 
-template <data_t Text>
-CONSTEVAL auto operator "" _array() noexcept
+template <data_t Data>
+CONSTEVAL auto operator "" _a() noexcept
 {
-    return Text.data;
+    return Data.data;
+}
+
+template <text_t Text>
+CONSTEVAL auto operator "" _t() noexcept
+{
+    return Text.text;
 }
 
 /// Integer representations.

test/literals.cpp

@@ -20,14 +20,23 @@
 
 // text literals
 
-static_assert(is_same_type<decltype(""_array), std::array<uint8_t, 0>>);
-static_assert(""_array.empty());
-
-static_assert(is_same_type<decltype("test"_array), std::array<uint8_t, 4>>);
-static_assert("test"_array.at(0) == 't');
-static_assert("test"_array.at(1) == 'e');
-static_assert("test"_array.at(2) == 's');
-static_assert("test"_array.at(3) == 't');
+static_assert(is_same_type<decltype(""_a), std::array<uint8_t, 0>>);
+static_assert(""_a.empty());
+
+static_assert(is_same_type<decltype("test"_a), std::array<uint8_t, 4>>);
+static_assert("test"_a.at(0) == 't');
+static_assert("test"_a.at(1) == 'e');
+static_assert("test"_a.at(2) == 's');
+static_assert("test"_a.at(3) == 't');
+
+static_assert(is_same_type<decltype(""_t), std::array<char, 0>>);
+static_assert(""_t.empty());
+
+static_assert(is_same_type<decltype("test"_t), std::array<char, 4>>);
+static_assert("test"_t.at(0) == 't');
+static_assert("test"_t.at(1) == 'e');
+static_assert("test"_t.at(2) == 's');
+static_assert("test"_t.at(3) == 't');
 
 // en.cppreference.com/w/cpp/language/integer_literal