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features: allow hidden options to have no help entry

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This commit is contained in:
Jake Hillion 2023-07-31 10:43:13 -07:00 committed by Jake Hillion
parent e60d06a321
commit 57210cf06c
1 changed files with 7 additions and 6 deletions
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9
oi/Features.cpp
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@ -17,16 +17,16 @@
#include <glog/logging.h>
#include <cassert>
#include <map>
#include <numeric>
#include <optional>
#include <span>
#include <stdexcept>
namespace oi::detail {
namespace {
std::string_view featureHelp(Feature f) {
std::optional<std::string_view> featureHelp(Feature f) {
switch (f) {
case Feature::ChaseRawPointers:
return "Chase raw pointers in the probed object.";
@ -114,10 +114,11 @@ void featuresHelp(std::ostream& out) {
});
for (Feature f : allFeatures) {
if (const auto h = featureHelp(f)) {
std::string_view name(featureToStr(f));
out << " " << name << std::string(longestName - name.size() + 2, ' ')
<< featureHelp(f) << std::endl;
<< *h << std::endl;
}
}
}