Add a method to register the help flag#109
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keiichiw wants to merge 2 commits intorust-lang:masterfrom
Open
Add a method to register the help flag#109keiichiw wants to merge 2 commits intorust-lang:masterfrom
keiichiw wants to merge 2 commits intorust-lang:masterfrom
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When we add a flag with `reqopt()`, the mandatory flag is always required. This behavior doesn't work well when we want to add a `help` flag, which should work without the required flag is not specified like `my_command --help`. So, let's add `helpflag()` method, which add an optional flag "help" which will allow `parse()` to skip checking the existence of mandatory flags.
Since `helpflag()` method was added, we shouldn't use "help" as a placeholder in tests unrelated to the helpflag() method.
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This issue also arises with or something like this. |
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@keiichiw this is a rather old PR, but any chance you're interested in updating it with that suggestion? |
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Fixes #108