1 /// Origin of the argument's value
2 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
3 #[non_exhaustive]
4 pub enum ValueSource {
5     /// Value came [`Arg::default_value`][crate::Arg::default_value]
6     DefaultValue,
7     /// Value came [`Arg::env`][crate::Arg::env]
8     EnvVariable,
9     /// Value was passed in on the command-line
10     CommandLine,
11 }
12 
13 impl ValueSource {
is_explicit(self) -> bool14     pub(crate) fn is_explicit(self) -> bool {
15         self != Self::DefaultValue
16     }
17 }
18