Use the _str and _sv string literals more often

src/buffer.cc

@@ -794,20 +794,20 @@ UnitTest test_buffer{[]()
     // check insert at end behaviour: auto add end of line if necessary
     pos = buffer.end()-1;
     buffer.insert(pos.coord(), "tchou");
-    kak_assert(buffer.string(pos.coord(), buffer.end_coord()) == StringView{"tchou\n"});
+    kak_assert(buffer.string(pos.coord(), buffer.end_coord()) == "tchou\n"_sv);
 
     pos = buffer.end()-1;
     buffer.insert(buffer.end_coord(), "kanaky\n");
-    kak_assert(buffer.string((pos+1).coord(), buffer.end_coord()) == StringView{"kanaky\n"});
+    kak_assert(buffer.string((pos+1).coord(), buffer.end_coord()) == "kanaky\n"_sv);
 
     buffer.commit_undo_group();
     buffer.erase((pos+1).coord(), buffer.end_coord());
     buffer.insert(buffer.end_coord(), "mutch\n");
     buffer.commit_undo_group();
     buffer.undo();
-    kak_assert(buffer.string(buffer.advance(buffer.end_coord(), -7), buffer.end_coord()) == StringView{"kanaky\n"});
+    kak_assert(buffer.string(buffer.advance(buffer.end_coord(), -7), buffer.end_coord()) == "kanaky\n"_sv);
     buffer.redo();
-    kak_assert(buffer.string(buffer.advance(buffer.end_coord(), -6), buffer.end_coord()) == StringView{"mutch\n"});
+    kak_assert(buffer.string(buffer.advance(buffer.end_coord(), -6), buffer.end_coord()) == "mutch\n"_sv);
 }};
 
 UnitTest test_undo{[]()

src/face_registry.cc

@@ -63,7 +63,7 @@ String to_string(Attribute attributes)
                          filter([=](const Attr& a) { return attributes & a.attr; }) |
                          transform([](const Attr& a) { return a.name; });
 
-    return accumulate(filteredAttrs, String{"+"}, std::plus<>{});
+    return accumulate(filteredAttrs, "+"_str, std::plus<>{});
 }
 
 String to_string(Face face)

src/hash_map.cc

@@ -50,8 +50,8 @@ UnitTest test_hash_map{[] {
     {
         HashMap<String, int> map;
         map.insert({"test", 10});
-        kak_assert(map[StringView{"test"}] == 10);
+        kak_assert(map["test"_sv] == 10);
-        map.remove(StringView{"test"});
+        map.remove("test"_sv);
     }
 
     // make sure we get what we expect from the hash map

src/main.cc

@@ -880,7 +880,7 @@ int main(int argc, char* argv[])
             return 0;
         };
 
-        if (contains(ConstArrayView<char*>{argv+1, (size_t)argc-1}, StringView{"--help"}))
+        if (contains(ConstArrayView<char*>{argv+1, (size_t)argc-1}, "--help"_sv))
             return show_usage();
 
         ParametersParser parser{params, param_desc};

src/option_types.hh

@@ -109,7 +109,7 @@ bool option_add(Vector<T, domain>& opt, StringView str)
 template<typename T, MemoryDomain D>
 String option_type_name(Meta::Type<Vector<T, D>>)
 {
-    return option_type_name(Meta::Type<T>{}) + StringView{"-list"};
+    return option_type_name(Meta::Type<T>{}) + "-list"_sv;
 }
 
 template<typename Key, typename Value, MemoryDomain domain>

src/selectors.cc

@@ -671,7 +671,7 @@ select_indent(const Context& context, const Selection& selection,
     LineCount begin_line = line - 1;
     if (to_begin)
     {
-        while (begin_line >= 0 and (buffer[begin_line] == StringView{"\n"} or
+        while (begin_line >= 0 and (buffer[begin_line] == "\n"_sv or
                                     get_indent(buffer[begin_line], tabstop) >= indent))
             --begin_line;
     }
@@ -680,7 +680,7 @@ select_indent(const Context& context, const Selection& selection,
     if (to_end)
     {
         const LineCount end = buffer.line_count();
-        while (end_line < end and (buffer[end_line] == StringView{"\n"} or
+        while (end_line < end and (buffer[end_line] == "\n"_sv or
                                    get_indent(buffer[end_line], tabstop) >= indent))
             ++end_line;
     }