fn partition_diff(
        mut existing: HashMap<String, Self::Asset>,
        reprs: &mut Vec<Self>,
    ) -> Result<(Vec<Self>, Vec<(Self, Self::Asset)>, Vec<Self::Asset>), Error> {
        let mut to_insert: Vec<Self> = Vec::new();
        let mut to_update: Vec<(Self, Self::Asset)> = Vec::new();
        for repr in reprs.drain(..) {
            if let Some(mut asset) = existing.remove(repr.get_string_id()) {
                repr.try_merge_asset(&mut asset)?;
                to_update.push((repr, asset));
            } else {
                to_insert.push(repr);
            }
        }
        let to_delete: Vec<Self::Asset> = existing.into_values().collect();
        Ok((to_insert, to_update, to_delete))
    }
/// Constructs the tuple of `(to_insert, to_update, to_delete)` from a list of representations
/// and a map of changesets for existing elements in the database.
Constructs the tuple of `(to_insert, to_update, to_delete)` from a list of representations
and a map of changesets for existing elements in the database.
Constructs the tuple of ` ( to_insert to_update to_delete ) ` from a list of representations and a map of changesets for existing elements in the database .
fn partition_diff(
        mut existing: HashMap<String, Self::Asset>,
        reprs: &mut Vec<Self>,
    ) -> Result<(Vec<Self>, Vec<(Self, Self::Asset)>, Vec<Self::Asset>), Error> {
        let mut to_insert: Vec<Self> = Vec::new();
        let mut to_update: Vec<(Self, Self::Asset)> = Vec::new();
        for repr in reprs.drain(..) {
            if let Some(mut asset) = existing.remove(repr.get_string_id()) {
                repr.try_merge_asset(&mut asset)?;
                to_update.push((repr, asset));
            } else {
                to_insert.push(repr);
            }
        }
        let to_delete: Vec<Self::Asset> = existing.into_values().collect();
        Ok((to_insert, to_update, to_delete))
    }
fn partition_diff ( mut existing : HashMap < String , Self :: Asset > , reprs : & mut Vec < Self > , ) -> Result < ( Vec < Self > , Vec < ( Self , Self :: Asset ) > , Vec < Self :: Asset > ) , Error > { let mut to_insert : Vec < Self > = Vec :: new ( ) ; let mut to_update : Vec < ( Self , Self :: Asset ) > = Vec :: new ( ) ; for repr in reprs . drain ( .. ) { if let Some ( mut asset ) = existing . remove ( repr . get_string_id ( ) ) { repr . try_merge_asset ( & mut asset ) ? ; to_update . push ( ( repr , asset ) ) ; } else { to_insert . push ( repr ) ; } } let to_delete : Vec < Self :: Asset > = existing . into_values ( ) . collect ( ) ; Ok ( ( to_insert , to_update , to_delete ) ) }
Constructs the tuple of `(to_insert, to_update, to_delete)` from a list of representations
and a map of changesets for existing elements in the database.
Constructs the tuple of ` ( to_insert to_update to_delete ) ` from a list of representations and a map of changesets for existing elements in the database .
existing
HashMap<String, Self::Asset>
reprs
&mut Vec<Self>
existing
HashMap<String, Self::Asset>
reprs
&mut Vec<Self>