Struct StreamingCsvReader 

pub struct StreamingCsvReader<'a> {
    pub delimiter: char,
    pub headers: Vec<String>,
    /* private fields */
}

A line-by-line streaming CSV reader backed by an in-memory string.

Unlike LazyCsvIter, this reader tracks the current row number and supports peeking at headers before iterating data rows.

Fields

delimiter: char

Delimiter detected or supplied.

headers: Vec<String>

Parsed column headers.

Implementations

impl<'a> StreamingCsvReader<'a>

pub fn new(input: &'a str, delimiter: char) -> Self

Create a reader with explicit delimiter.

pub fn auto(input: &'a str) -> Self

Create a reader with auto-detected delimiter.

pub fn n_cols(&self) -> usize

Number of columns (from header).

pub fn current_row(&self) -> usize

Current row number (rows consumed so far).

pub fn next_row(&mut self) -> Option<Vec<String>>

Read the next data row as a VecString, or None` at EOF.

pub fn collect_all(self) -> CsvFile

Read all remaining rows into a CsvFile.