updateRangeAreaTheme method

ChartTheme updateRangeAreaTheme(
  1. RangeAreaTheme update(
    1. RangeAreaTheme current
    )
)

Rebuilds ChartTheme.rangeAreaTheme from its current value.

update receives the current RangeAreaTheme and returns the replacement, so nested configuration is edited without re-stating the enclosing config.

Implementation

ChartTheme updateRangeAreaTheme(
  RangeAreaTheme Function(RangeAreaTheme current) update,
) => copyWith(rangeAreaTheme: update(rangeAreaTheme));