Enum mongodb::options::ReturnDocument [−][src]
#[non_exhaustive]
pub enum ReturnDocument {
After,
Before,
}
Expand description
Specifies whether a
Collection::find_one_and_replace
and
Collection::find_one_and_update
operation should return the document before or after modification.
Variants (Non-exhaustive)
This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
Return the document after modification.
Return the document before modification.
Trait Implementations
Deserialize this value from the given Serde deserializer. Read more
Auto Trait Implementations
impl RefUnwindSafe for ReturnDocument
impl Send for ReturnDocument
impl Sync for ReturnDocument
impl Unpin for ReturnDocument
impl UnwindSafe for ReturnDocument
Blanket Implementations
Mutably borrows from an owned value. Read more