diff options
Diffstat (limited to 'arg_picker/src/picker/result.rs')
| -rw-r--r-- | arg_picker/src/picker/result.rs | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/arg_picker/src/picker/result.rs b/arg_picker/src/picker/result.rs deleted file mode 100644 index 32c81cd..0000000 --- a/arg_picker/src/picker/result.rs +++ /dev/null @@ -1,108 +0,0 @@ -// Doc Not Optimize -#![allow(clippy::type_complexity)] // Aha, Type Gymnastics! - -use arg_picker_macros::internal_repeat; - -internal_repeat!(1..=32 => { - #[doc(hidden)] - pub struct PickerResult$<(T$,+), Route> { - /// The route selected by the picker, if any. - /// If this is `Some`, the picker chose to follow a route instead of selecting values, - /// and all value fields (`v1`, `v2`, ...) will be `None`. - /// - /// Note: "route" here refers to an alternative path/choice, not a network route. - pub route: Option<Route>, - - ( - #[doc = concat!("The optional value for the ", $, "th type parameter.")] - pub v$: Option<T$>, - +) - } -}); - -internal_repeat!(1..=32 => { - impl<(T$,+), Route> PickerResult$<(T$,+), Route> { - /// Unwraps the result, panicking if a route was selected or a required - /// value is missing. - /// - /// # Panics - /// - /// Panics if `self.route` is `Some(...)`, or if a required argument was - /// not provided by the user. - pub fn unwrap(self) -> ((T$,+)) { - ((self.v$.expect(concat!("missing required argument at position ", $)),+)) - } - - /// Returns the parsed values, using the default values for any missing - /// required arguments, or panicking if a route was selected. - /// - /// # Panics - /// - /// Panics if a route was selected. - /// - /// # Type Constraints - /// - /// All types in the tuple must implement [`Default`]. - pub fn unwrap_or_default(self) -> ((T$,+)) - where - ( - T$: Default, - +) { - let p = self; - ((p.v$.unwrap_or_default(),+)) - } - - /// Returns the parsed values, using the provided closure to generate - /// default values for any missing required arguments, or panicking if - /// a route was selected. - /// - /// # Panics - /// - /// Panics if a route was selected. - pub fn unwrap_or_else<F>(self, op: F) -> ((T$,+)) - where - F: FnOnce(Route) -> ((T$,+)), - { - let r = self.to_result(); - r.unwrap_or_else(op) - } - - /// Returns the parsed values, or panics with the given message if - /// a route was selected. - /// - /// # Panics - /// - /// Panics if a route was selected, with the provided message. - /// - /// # Type Constraints - /// - /// `Route` must implement [`std::fmt::Debug`] so that the error - /// message can include the route value. - pub fn expect(self, msg: &str) -> ((T$,+)) where Route: std::fmt::Debug { - self.to_result().expect(msg) - } - - /// Returns the individual option values without checking the route. - pub fn unpack(self) -> ((Option<T$>,+)) { - ((self.v$,+)) - } - - /// Converts to a `Result`, returning `Err(route)` if a route was selected, - /// or `Ok(values)` otherwise. - pub fn to_result(self) -> Result<((T$,+)), Route> { - if let Some(r) = self.route { - return Err(r); - } - Ok(self.unwrap()) - } - - /// Converts to an `Option`, returning `None` if a route was selected, - /// or `Some(values)` otherwise. - pub fn to_option(self) -> Option<((T$,+))> { - if let Some(_) = self.route { - return None; - } - Some(self.unwrap()) - } - } -}); |
