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Add documentation for DEFINE_enum_class #328

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Add documentation for DEFINE_enum_class #328

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3a36ad4
Add documentation for `DEFINE_enum_class`
brianquinlan Mar 17, 2020
7e7e86e
Fix line lengths.
brianquinlan Mar 17, 2020
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8 changes: 6 additions & 2 deletions docs/python/guides/flags.md
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Expand Up @@ -71,8 +71,12 @@ flags have other arguments, which are described with the flag.
takes optional arguments `lower_bound` and `upper_bound` as for floats.
* `DEFINE_enum`: takes a list of strings that represents legal values. If the
command-line value is not in this list, it raises a flag error; otherwise,
it assigns to `FLAGS.flag` as a string.
* `DEFINE_list`: Takes a comma-separated list of strings on the command line
it assigns to `FLAGS.flag` as a string. If possible, use `DEFINE_enum_class`
instead.
* `DEFINE_enum_class`: takes an `enum.Enum` that represents legal values. If the
command-line value is not a member of the enumeration, it raises a flag
error; otherwise, it assigns the value of the member to `FLAGS.flag`.
* `DEFINE_list`: takes a comma-separated list of strings on the command line
and stores them in a Python list object.
* `DEFINE_spaceseplist`: Takes a space-separated list of strings on the
commandline and stores them in a Python list object. For example:
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