Struct ChartFieldBinding 

pub struct ChartFieldBinding {
    pub x_field: Option<String>,
    pub y_fields: Vec<String>,
    pub series_by_field: Option<String>,
    pub color_field: Option<String>,
    pub label_field: Option<String>,
    pub size_field: Option<String>,
    pub id_field: Option<String>,
}

Declarative binding from crate::Dataset fields to chart geometry.

Fields

x_field: Option<String>

Category or time axis field key.

y_fields: Vec<String>

One or more value series field keys.

series_by_field: Option<String>

Pivot long→wide by grouping on this field (e.g. region column).

color_field: Option<String>

Field key driving per-item color.

label_field: Option<String>

Field key for data labels.

size_field: Option<String>

Scatter z-axis / bubble size field key.

id_field: Option<String>

Scatter point identity field key (falls back to record id when unset).

Implementations

impl ChartFieldBinding

pub fn new(x_field: impl Into<String>, y_fields: Vec<String>) -> Self

Shorthand for a single category axis and one or more value fields.

Trait Implementations

impl Clone for ChartFieldBinding

fn clone(&self) -> ChartFieldBinding

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ChartFieldBinding

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

Formats the value using the given formatter.

impl Default for ChartFieldBinding

fn default() -> ChartFieldBinding

Returns the “default value” for a type.

impl Eq for ChartFieldBinding

impl PartialEq for ChartFieldBinding

fn eq(&self, other: &ChartFieldBinding) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ChartFieldBinding