| use crate::builder::OsStr; | |
| /// Operations to perform on argument values | |
| /// | |
| /// These do not apply to [`ValueSource::DefaultValue`][crate::parser::ValueSource::DefaultValue] | |
| #[derive(Clone, Debug, PartialEq, Eq)] | |
| #[cfg_attr(feature = "unstable-v5", non_exhaustive)] | |
| pub enum ArgPredicate { | |
| /// Is the argument present? | |
| IsPresent, | |
| /// Does the argument match the specified value? | |
| Equals(OsStr), | |
| } | |
| impl<S: Into<OsStr>> From<S> for ArgPredicate { | |
| fn from(other: S) -> Self { | |
| Self::Equals(other.into()) | |
| } | |
| } |