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July 29, 2023 02:12
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Peace framework: Random types
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| use std::{ | |
| fmt::Display, | |
| ops::{Deref, DerefMut}, | |
| }; | |
| use serde::Serialize; | |
| use type_reg::{ | |
| untagged::{BoxDataTypeDowncast, BoxDtDisplay, DataType, DataTypeWrapper, FromDataType}, | |
| TypeNameLit, | |
| }; | |
| /// Box of a [`DataType`] that is also a [`ValueSpecRt`]. | |
| #[derive(Clone, Debug, Serialize)] | |
| pub struct StateBoxedOpt(pub(crate) Option<BoxDtDisplay>); | |
| impl StateBoxedOpt { | |
| /// Returns a new `ValueSpecRtBoxed` wrapper around the provided type. | |
| pub fn new<T>(t: T) -> Self | |
| where | |
| T: DataType + Display, | |
| { | |
| Self(Box::new(t)) | |
| } | |
| /// Returns the inner `Box<dyn ValueSpecDataType>`. | |
| pub fn into_inner(self) -> Option<BoxDtDisplay> { | |
| self.0 | |
| } | |
| } | |
| impl Deref for StateBoxedOpt { | |
| type Target = Option<BoxDtDisplay>; | |
| fn deref(&self) -> &Self::Target { | |
| self.0.as_ref() | |
| } | |
| } | |
| impl DerefMut for StateBoxedOpt { | |
| fn deref_mut(&mut self) -> &mut Self::Target { | |
| self.0.as_mut() | |
| } | |
| } | |
| impl<T> FromDataType<T> for StateBoxedOpt | |
| where | |
| T: DataType + Display, | |
| { | |
| fn from(t: T) -> Self { | |
| StateBoxedOpt(Box::new(t)) | |
| } | |
| } | |
| impl<T> BoxDataTypeDowncast<T> for StateBoxedOpt | |
| where | |
| T: DataType + Display, | |
| { | |
| fn downcast_ref(&self) -> Option<&T> { | |
| self.0.downcast_ref::<T>() | |
| } | |
| fn downcast_mut(&mut self) -> Option<&mut T> { | |
| self.0.downcast_mut::<T>() | |
| } | |
| } | |
| impl DataTypeWrapper for StateBoxedOpt { | |
| fn type_name(&self) -> TypeNameLit { | |
| DataType::type_name(&*self.0) | |
| } | |
| fn clone(&self) -> Self { | |
| Self(self.0.clone()) | |
| } | |
| fn debug(&self) -> &dyn std::fmt::Debug { | |
| &self.0 | |
| } | |
| fn inner(&self) -> &dyn DataType { | |
| &self.0 | |
| } | |
| } |
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