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| author | Eyal Rozenberg <eyalroz@technion.ac.il> | 2020-07-23 09:36:54 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-07-23 09:36:54 +0300 |
| commit | 1b660d56801283905b0f0fdd43e7e7ba3c5c396e (patch) | |
| tree | 6cd8a8d4d2413c08dfb9ade74b359711d99a3dd1 | |
| parent | 9a454c8e4e2b1356f356627bad6e3b932efd23c3 (diff) | |
Regards #244: Explain how vectors of values allow repeated use of the same option on the command-line. (#247)
| -rw-r--r-- | README.md | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -146,6 +146,22 @@ that can be parsed as a `std::vector<double>`: --my_list=1,-2.1,3,4.5 ~~~ +## Options specified multiple times + +The same option can be specified several times, with different arguments, which will all +be recorded in order of appearance. An example: + +~~~ +--use train --use bus --use ferry +~~~ + +this is supported through the use of a vector of value for the option: + +~~~ +options.add_options() + ("use", "Usable means of transport", cxxopts::value<std::vector<std::string>>()) +~~~ + ## Custom help The string after the program name on the first line of the help can be |