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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())
}
}