diff --git a/src/builder/arg_group.rs b/src/builder/arg_group.rs index 459cc7f5337e..5b1cca9b3b0b 100644 --- a/src/builder/arg_group.rs +++ b/src/builder/arg_group.rs @@ -240,6 +240,22 @@ impl ArgGroup { self } + /// Return true if the group allows more than one of the [`Arg`]s + /// in this group to be used. (Default: `false`) + /// + /// ```rust + /// # use clap::{ArgGroup}; + /// let mut group = ArgGroup::new("myprog") + /// .args(["f", "c"]) + /// .multiple(true); + /// + /// assert!(group.is_multiple()); + /// # ; + /// ``` + pub fn is_multiple(&mut self) -> bool { + self.multiple + } + /// Require an argument from the group to be present when parsing. /// /// This is unless conflicting with another argument. A required group will be displayed in @@ -538,4 +554,15 @@ mod test { fn foo(_: T) {} foo(ArgGroup::new("test")) } + + #[test] + fn arg_group_expose_is_multiple_helper() { + let args: Vec = vec!["a1".into(), "a4".into()]; + + let mut grp_multiple = ArgGroup::new("test_multiple").args(&args).multiple(true); + assert!(grp_multiple.is_multiple()); + + let mut grp_not_multiple = ArgGroup::new("test_multiple").args(&args).multiple(false); + assert_eq!(grp_not_multiple.is_multiple(), false); + } }