fn arrow_size(&mut self, arrow_size: f32) -> &mut Self {
        if arrow_size < 0.0 {
            self.add_validation_error("arrowsize", "Must be greater than or equal to 0")
        }
        self.add_attribute("arrowsize", AttributeText::from(arrow_size))
    }
/// Multiplicative scale factor for arrowheads.
/// default: 1.0, minimum: 0.0
Multiplicative scale factor for arrowheads.
Multiplicative scale factor for arrowheads .
fn arrow_size(&mut self, arrow_size: f32) -> &mut Self {
        if arrow_size < 0.0 {
            self.add_validation_error("arrowsize", "Must be greater than or equal to 0")
        }
        self.add_attribute("arrowsize", AttributeText::from(arrow_size))
    }
fn arrow_size ( & mut self , arrow_size : f32 ) -> & mut Self { if arrow_size < 0.0 { self . add_validation_error ( " " , " " ) } self . add_attribute ( " " , AttributeText :: from ( arrow_size ) ) }
Multiplicative scale factor for arrowheads.
Multiplicative scale factor for arrowheads .
&mut self
arrow_size
f32
&mut self
arrow_size
f32