KeqingMoe/argparse
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Pranav Srinivas Kumar 2019-03-31 18:08:37 -04:00 committed by GitHub
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@ -88,7 +88,7 @@ program.add_argument("--verbose")
.default_value(false) .default_value(false)
.implicit_value(true); .implicit_value(true);
program.parse_args({ "./main", "4", "--verbose" }); program.parse_args(argc, argv);
int input = program.get<int>("square"); int input = program.get<int>("square");
@ -100,6 +100,17 @@ else {
} }
``` ```
```bash
$ ./main 4
16
$ ./main 4 --verbose
The square of 4 is 16
$ ./main --verbose 4
The square of 4 is 16
```
### List of Arguments ### List of Arguments
ArgumentParser objects usually associate a single command-line argument with a single action to be taken. The ```.nargs``` associates a different number of command-line arguments with a single action. When using ```nargs(N)```, N arguments from the command line will be gathered together into a list. ArgumentParser objects usually associate a single command-line argument with a single action to be taken. The ```.nargs``` associates a different number of command-line arguments with a single action. When using ```nargs(N)```, N arguments from the command line will be gathered together into a list.