def help.label.pair
import shake@0.7.0.0/src/cli.bend as Cliimport Base
1813# `-s, --long` or one of them
1814def help.label.pair(+short: String, +long: String) -> String:
1815 Bool.pick(String, String.is_empty(short),
1816 Bool.pick(String, String.is_empty(long), "", " --" ++ long),
1817 Bool.pick(String, String.is_empty(long), " -" ++ short,
1818 " -" ++ short ++ ", --" ++ long))