O1Library Docs
Fall 2026
Docs API

# Fill

o1.gui.Fill
See the Fill companion trait
object Fill

This companion object of class Fill provides a singleton object for the special case where there is no fill at all.

## Attributes

Companion
  trait
Graph
Supertypes
  class Object
  trait Matchable
  class Any
Self type
  Fill.type

## Members list

### Type members

#### Classlikes

object None extends Fill

The `Fill.None` singleton represents a fully transparent fill --- that is, no visible fill at all.

The `Fill.None` singleton represents a fully transparent fill --- that is, no visible fill at all.

## Attributes

Supertypes
  trait Fill
  class Object
  trait Matchable
  class Any
Self type
  None.type