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Use optional instead of zero_or_one

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Yoshihiro Hokazono 2022-06-22 09:24:51 +09:00
parent e44023f424
commit acff046fc5
2 changed files with 3 additions and 3 deletions
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2
README.md
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@ -422,7 +422,7 @@ program.add_argument("--input_files")
``` ```
```cpp ```cpp
program.add_argument("--input_files") program.add_argument("--input_files")
.nargs(argparse::nargs_pattern::zero_or_one); // "?" in Python. This accepts an argument optionally. .nargs(argparse::nargs_pattern::optional); // "?" in Python. This accepts an argument optionally.
``` ```
### Compound Arguments ### Compound Arguments

4
include/argparse/argparse.hpp
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@ -360,7 +360,7 @@ public:
}; };
enum class nargs_pattern { enum class nargs_pattern {
zero_or_one, optional,
any, any,
at_least_one at_least_one
}; };
@ -507,7 +507,7 @@ public:
Argument &nargs(nargs_pattern pattern) { Argument &nargs(nargs_pattern pattern) {
switch (pattern) { switch (pattern) {
case nargs_pattern::zero_or_one: case nargs_pattern::optional:
m_num_args_range = SizeRange{0, 1}; m_num_args_range = SizeRange{0, 1};
break; break;
case nargs_pattern::any: case nargs_pattern::any: