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24 lines
773 B
Rust
24 lines
773 B
Rust
use crate::database::Database;
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/// Associate [`Database`] with a `RawValue` of a generic lifetime.
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///
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/// ---
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///
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/// The upcoming Rust feature, [Generic Associated Types], should obviate
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/// the need for this trait.
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///
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/// [Generic Associated Types]: https://www.google.com/search?q=generic+associated+types+rust&oq=generic+associated+types+rust&aqs=chrome..69i57j0l5.3327j0j7&sourceid=chrome&ie=UTF-8
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pub trait HasRawValue<'c> {
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type Database: Database;
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/// The Rust type used to hold a not-yet-decoded value that has just been
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/// received from the database.
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type RawValue: RawValue<'c, Database = Self::Database>;
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}
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pub trait RawValue<'c> {
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type Database: Database;
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fn type_info(&self) -> Option<<Self::Database as Database>::TypeInfo>;
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}
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