14 lines
515 B
Diff
14 lines
515 B
Diff
diff --git a/src_cpp/args_parser.h b/src_cpp/args_parser.h
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index 0a6c748..cfd6a89 100644
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--- a/src_cpp/args_parser.h
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+++ b/src_cpp/args_parser.h
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@@ -216,7 +216,7 @@ class args_parser {
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protected:
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std::set<flag_t> flags;
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std::string current_group;
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- std::map<std::string, std::vector<smart_ptr<option> > > expected_args;
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+ std::map<const std::string, std::vector<smart_ptr<option> > > expected_args;
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std::vector<std::string> unknown_args;
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option *prev_option;
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error_t last_error;
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