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Userland: Change static const variables to static constexpr

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`static const` variables can be computed and initialized at run-time
during initialization or the first time a function is called. Change
them to `static constexpr` to ensure they are computed at
compile-time.

This allows some removal of `strlen` because the length of the
`StringView` can be used which is pre-computed at compile-time.
This commit is contained in:
Lenny Maiorani 2022-03-13 16:09:41 -06:00 • committed by Andreas Kling
parent 31515a9147
commit f912a48315
23 changed files with 111 additions and 82 deletions
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13
Userland/Libraries/LibGUI/Calendar.cpp
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@ -5,6 +5,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Array.h>
#include <LibCore/DateTime.h>
#include <LibGUI/Calendar.h>
#include <LibGUI/Painter.h>
@ -16,21 +17,21 @@ REGISTER_WIDGET(GUI, Calendar);
namespace GUI {
static const char* long_day_names[] = {
static constexpr Array<StringView, 7> long_day_names = {
"Sunday", "Monday", "Tuesday", "Wednesday",
"Thursday", "Friday", "Saturday"
};
static const char* short_day_names[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
static const char* mini_day_names[] = { "Su", "Mo", "Tu", "We", "Th", "Fr", "Sa" };
static const char* micro_day_names[] = { "S", "M", "T", "W", "T", "F", "S" };
static constexpr Array<StringView, 7> short_day_names = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
static constexpr Array<StringView, 7> mini_day_names = { "Su", "Mo", "Tu", "We", "Th", "Fr", "Sa" };
static constexpr Array<StringView, 7> micro_day_names = { "S", "M", "T", "W", "T", "F", "S" };
static const char* long_month_names[] = {
static constexpr Array<StringView, 12> long_month_names = {
"January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"
};
static const char* short_month_names[] = {
static constexpr Array<StringView, 12> short_month_names = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};