Struct ChartDef 

pub struct ChartDef {
    pub key: &'static str,
    pub title: &'static str,
    pub unit: Unit,
    pub lines: &'static [(&'static str, &'static str)],
    pub groups: bool,
}

What a chart draws: a title and its lines (a key into TopicMonitor::series and the catalog key of the legend).

Fields

key: &'static str

title: &'static str

unit: Unit

lines: &'static [(&'static str, &'static str)]

groups: bool

The largest groups are drawn too, one line each.