diff options
Diffstat (limited to 'engine-reflection')
| -rw-r--r-- | engine-reflection/Cargo.toml | 2 | ||||
| -rw-r--r-- | engine-reflection/src/lib.rs | 21 |
2 files changed, 23 insertions, 0 deletions
diff --git a/engine-reflection/Cargo.toml b/engine-reflection/Cargo.toml index 8e13728..2f90841 100644 --- a/engine-reflection/Cargo.toml +++ b/engine-reflection/Cargo.toml @@ -4,3 +4,5 @@ version = "0.1.0" edition = "2021" [dependencies] +thiserror = "1.0.49" + diff --git a/engine-reflection/src/lib.rs b/engine-reflection/src/lib.rs index 9f347fa..3451442 100644 --- a/engine-reflection/src/lib.rs +++ b/engine-reflection/src/lib.rs @@ -177,6 +177,27 @@ pub struct EnumVariant pub fields: Option<EnumVariantFields>, pub discriminant: EnumDiscriminant, + + pub try_write_new_to: fn( + dst: &mut dyn Any, + fields: &mut dyn Iterator<Item = Box<dyn Any>>, + ) -> Result<(), EnumVariantWriteNewToError>, +} + +#[derive(Debug, thiserror::Error)] +pub enum EnumVariantWriteNewToError +{ + #[error("Destination must be the same type as the variant's enum")] + WrongDstType, + + #[error("Too few fields are specified")] + TooFewFields, + + #[error("Too many fields are specified")] + TooManyFields, + + #[error("A field has the wrong type")] + WrongFieldType, } #[derive(Debug, Clone)] |