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/// Semantics for a piece of error information
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
#[non_exhaustive]
pub enum ContextKind {
/// The cause of the error
InvalidSubcommand,
/// The cause of the error
InvalidArg,
/// Existing arguments
PriorArg,
/// Accepted values
ValidValue,
/// Rejected values
InvalidValue,
/// Number of values present
ActualNumValues,
/// Number of allowed values
ExpectedNumValues,
/// Minimum number of allowed values
MinValues,
/// Number of occurrences present
ActualNumOccurrences,
/// Maximum number of allowed occurrences
MaxOccurrences,
/// Potential fix for the user
SuggestedCommand,
/// Potential fix for the user
SuggestedSubcommand,
/// Potential fix for the user
SuggestedArg,
/// Potential fix for the user
SuggestedValue,
/// Trailing argument
TrailingArg,
/// A usage string
Usage,
/// An opaque message to the user
Custom,
}
/// A piece of error information
#[derive(Clone, Debug, PartialEq, Eq)]
#[non_exhaustive]
pub enum ContextValue {
/// [`ContextKind`] is self-sufficient, no additional information needed
None,
/// A single value
Bool(bool),
/// A single value
String(String),
/// Many values
Strings(Vec<String>),
/// A single value
Number(isize),
}
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