Struct DataTable 

pub struct DataTable {
    pub columns: Vec<ColumnData>,
    pub row_count: usize,
}

In-memory normalized table used by plotting logic.

Fields

columns: Vec<ColumnData>

row_count: usize

Implementations

impl DataTable

pub fn empty() -> Self

Creates an empty table.

pub fn from_csv_path(path: &Path) -> Result<Self, String>

Parses a CSV file into a numeric table.

pub fn from_txt_path(path: &Path) -> Result<Self, String>

Parses a whitespace-separated TXT file into a numeric table.

pub fn column_names(&self) -> Vec<String>

Returns column names in display order.

pub fn has_column(&self, name: &str) -> bool

Checks whether a column with this name exists.

pub fn column_values(&self, name: &str) -> Option<&[f64]>

Returns immutable numeric values of a named column.

pub fn points_for_columns( &self, x: &str, y: &str, ) -> Result<Vec<(f32, f32)>, String>

Builds (x, y) points from two selected columns.

pub fn from_data_source(source: &dyn DataSource) -> Result<Self, String>

Normalizes any DataSource implementation into a DataTable.

Trait Implementations

impl Clone for DataTable

fn clone(&self) -> DataTable

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl DataSource for DataTable

fn column(&self, name: &str) -> Option<Vec<f64>>

fn column_names(&self) -> Vec<String>

fn len(&self) -> usize

impl Debug for DataTable

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

Formats the value using the given formatter.