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Add OptionParser::parse_integer helper function.

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GitOrigin-RevId: d202848b64c27bb260e189783722508684b633c5
This commit is contained in:
levlam 2020-09-14 14:45:22 +03:00
parent b8e0201694
commit 91942f29d3
1 changed files with 9 additions and 0 deletions
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9
tdutils/td/utils/OptionParser.h
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@ -7,6 +7,7 @@
#pragma once
#include "td/utils/common.h"
#include "td/utils/misc.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
#include "td/utils/StringBuilder.h"
@ -30,6 +31,14 @@ class OptionParser {
std::function<Status(Slice)> callback);
public:
template <class T>
static std::function<Status(Slice)> parse_integer(T &value) {
return [&value](Slice value_str) {
TRY_RESULT_ASSIGN(value, to_integer_safe<T>(value_str));
return Status::OK();
};
}
void set_description(string description);
void add_checked_option(char short_key, Slice long_key, Slice description, std::function<Status(Slice)> callback);