Prior to this commit if one wished to use source formatting and ignore
term width they could do `App::set_term_width(usize::MAX)` now one can
also use `App::set_term_width(0)` which does the same thing.
Closes#625
feat(YAML): allows using lists or single values with arg declarations
One can now use a list or single value for certain Arg YAML declarations
such as possible_values, etc.
Prior to this commit, if only a single value was desired one would have
to use the format:
```yaml
possible_values:
- value
```
But now once can use
```yaml
possible_values: value
```
Closes#614Closes#613
One can now use a list or single value for certain Arg YAML declarations
such as possible_values, etc.
Prior to this commit, if only a single value was desired one would have
to use the format:
```yaml
possible_values:
- value
```
But now once can use
```yaml
possible_values: value
```
Closes#614Closes#613
For example, doing `myprog help subcmd1 subcmd2` would have incorrectly
produced the usage string, `myprog subcmd2 [options]` but now correctly
prints `myprog subcmd1 subcmd2 [options]`
Closes#618
The following completion would happen (using example 17_yaml.rs):
```
$ prog <tab>
help subcmd
```
```
$ prog -<tab><tab>
--help -h (Prints help information)
--max-vals (you can only supply a max of 3 values for me!)
--min-vals (you must supply at least two values to satisfy me)
--mode (shows an option with specific values)
--mult-vals (demos an option which has two named values)
--option -o (example option argument from yaml)
--version -V (Prints version information)
-F (demo flag argument)
```
```
$ prog --<tab><tab>
--help -h (Prints help information)
--max-vals (you can only supply a max of 3 values for me!)
--min-vals (you must supply at least two values to satisfy me)
--mode (shows an option with specific values)
--mult-vals (demos an option which has two named values)
--option -o (example option argument from yaml)
--version -V (Prints version information)
```
```
$ prog --mode <tab>
emacs (shows an option with specific values) vi (shows an option with specific values)
```
```
$ prog subcmd -<tab>
--help -h (Prints help information) -B (example subcommand option)
--version -V (Prints version information)
```
```
$ prog subcmd --<tab>
--help (Prints help information) --version (Prints version information)
```
Close#578
