Struct PyCsvWriter 

pub struct PyCsvWriter {
    pub filename: String,
    pub buffer: Vec<Vec<f64>>,
}

In-memory CSV writer.

Fields

filename: String

Output filename.

buffer: Vec<Vec<f64>>

Buffered rows waiting to be flushed.

Implementations

impl PyCsvWriter

pub fn new(filename: impl Into<String>) -> Self

Create a new CSV writer targeting the given file.

pub fn write_row(&mut self, data: Vec<f64>)

Append a row of values to the internal buffer.

pub fn flush(&mut self) -> String

Consume the buffer and return it as a CSV string (stub — no disk I/O).

pub fn buffered_rows(&self) -> usize

Number of rows currently buffered.

Trait Implementations

impl Clone for PyCsvWriter

fn clone(&self) -> PyCsvWriter

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PyCsvWriter

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for PyCsvWriter

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for PyCsvWriter

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for PyCsvWriter

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.