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Pranav Srinivas Kumar 2019-03-31 17:21:25 -04:00 committed by GitHub
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@ -22,6 +22,8 @@ argparse::ArgumentParser program("program name");
Argparse supports a variety of argument types including positional arguments, optional arguments, toggle arguments and compound arguments. Argparse supports a variety of argument types including positional arguments, optional arguments, toggle arguments and compound arguments.
### Positional Arguments
Here's an example of a ***positional argument***: Here's an example of a ***positional argument***:
```cpp ```cpp
@ -48,6 +50,8 @@ Here's what's happening:
* The parse_args() method parses the arguments provided, converts our input into an integer and returns the square. * The parse_args() method parses the arguments provided, converts our input into an integer and returns the square.
* We can get the value stored by the parser for a given argument using ```parser.get<T>(key)``` method. * We can get the value stored by the parser for a given argument using ```parser.get<T>(key)``` method.
### Optional Arguments
Now, let's look at ***optional arguments***. Optional arguments start with ```-``` or ```--```, e.g., "--verbose" or "-a". Optional arguments can be placed anywhere in the input sequence. Now, let's look at ***optional arguments***. Optional arguments start with ```-``` or ```--```, e.g., "--verbose" or "-a". Optional arguments can be placed anywhere in the input sequence.