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Pranav 2019-12-01 16:56:19 -06:00 committed by GitHub
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@ -142,7 +142,7 @@ program.add_argument("-o", "--output")
#### Accessing optional arguments without default values #### Accessing optional arguments without default values
If you do not require an optional argument to present but has no good default value for it, you can combine testing and accessing the argument as following: If you require an optional argument to be present but have no good default value for it, you can combine testing and accessing the argument as following:
```cpp ```cpp
if (auto fn = program.present("-o")) { if (auto fn = program.present("-o")) {