func (builder *Builder) Position(row, col uint) *Builder {
	return builder.With(Position(row, col))
}
Position is a syntax for Position.
package aec
type Builder struct {
	ANSI ANSI
}
var EmptyBuilder *Builder
func NewBuilder(a ...ANSI) *Builder {
	return &Builder{concat(a)}
}
func (builder *Builder) With(a ...ANSI) *Builder {
	return NewBuilder(builder.ANSI.With(a...))
}
func (builder *Builder) Up(n uint) *Builder {
	return builder.With(Up(n))
}
func (builder *Builder) Down(n uint) *Builder {
	return builder.With(Down(n))
}
func (builder *Builder) Right(n uint) *Builder {
	return builder.With(Right(n))
}
func (builder *Builder) Left(n uint) *Builder {
	return builder.With(Left(n))
}
func (builder *Builder) NextLine(n uint) *Builder {
	return builder.With(NextLine(n))
}
func (builder *Builder) PreviousLine(n uint) *Builder {
	return builder.With(PreviousLine(n))
}
func (builder *Builder) Column(col uint) *Builder {
	return builder.With(Column(col))
}