Trait bdb::traits::Csv

pub trait Csv: Sized {
    fn to_csv<T: Write>(
        &self,
        writer: &mut T,
        delimiter: u8
    ) -> Result<(), Box<dyn StdError>>;
    fn from_csv<T: Read>(
        reader: &mut T,
        delimiter: u8
    ) -> Result<Self, Box<dyn StdError>>;

    fn estimate_csv_size(&self) -> usize { ... }
    fn to_csv_string(&self, delimiter: u8) -> Result<String, Box<dyn StdError>> { ... }
    fn to_csv_file<P: AsRef<Path>>(
        &self,
        path: P,
        delimiter: u8
    ) -> Result<(), Box<dyn StdError>> { ... }
    fn from_csv_string(
        text: &str,
        delimiter: u8
    ) -> Result<Self, Box<dyn StdError>> { ... }
    fn from_csv_file<P: AsRef<Path>>(
        path: P,
        delimiter: u8
    ) -> Result<Self, Box<dyn StdError>> { ... }
}

Serialize to and from CSV.

The underlying CSV readers and writers (rust-csv) are buffered, so do not wrap out readers and writers in BufReader and BufWriter, respectively.

Required Methods

fn to_csv<T: Write>(
    &self,
    writer: &mut T,
    delimiter: u8
) -> Result<(), Box<dyn StdError>>

Export model to CSV (with headers).

fn from_csv<T: Read>(
    reader: &mut T,
    delimiter: u8
) -> Result<Self, Box<dyn StdError>>

Import model from CSV (with headers).

Works identically to a collection importer, only fetches at max 1 record, since the headers are shared over all records.

Provided Methods

fn estimate_csv_size(&self) -> usize

Estimate the size of the resulting CSV output to avoid reallocations.

fn to_csv_string(&self, delimiter: u8) -> Result<String, Box<dyn StdError>>

Export model to CSV string.

fn to_csv_file<P: AsRef<Path>>(
    &self,
    path: P,
    delimiter: u8
) -> Result<(), Box<dyn StdError>>

Export model to CSV output file.

fn from_csv_string(text: &str, delimiter: u8) -> Result<Self, Box<dyn StdError>>

Import model from CSV string.

fn from_csv_file<P: AsRef<Path>>(
    path: P,
    delimiter: u8
) -> Result<Self, Box<dyn StdError>>

Import model from CSV file.

Implementors

impl Csv for Record

impl Csv for RecordList