ntdsextract2 1.4.3

Display contents of Active Directory database files (ntds.dit)
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use crate::cache::{Value, ColumnIndex};
use crate::ntds::{Result, Error};

pub trait FromValue {
    /// does the same as [`from_value_opt`], but returns an Error instead of `None`, if no value was found
    fn from_value(value: &Value) -> Result<Self>
    where
        Self: Sized,
    {
        Self::from_value_opt(value)?.ok_or(Error::ValueIsMissing)
    }

    /// converts the value into the requested type, if possible
    fn from_value_opt(value: &Value) -> Result<Option<Self>>
    where
        Self: Sized;
    
    fn from_record_opt(record: &libesedb::Record, record_id: &ColumnIndex) -> anyhow::Result<Option<Self>>
    where
        Self: Sized {
            Ok(Self::from_value_opt(&Value::from(record.value(**record_id)?))?)
        }
}