whenOrNull<TResult extends Object?> method Null safety

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. {TResult? intrinsic(
    1. double? flex
    )?,
  2. TResult? fixed(
    1. double value
    )?,
  3. TResult? fraction(
    1. double value
    )?,
  4. TResult? flex(
    1. double value
    )?,
  5. TResult? max(
    1. TableColumnWidth a,
    2. TableColumnWidth b
    )?,
  6. TResult? min(
    1. TableColumnWidth a,
    2. TableColumnWidth b
    )?}
)
@optionalTypeArgs, inherited

Implementation

@optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>({
  TResult? Function(double? flex)? intrinsic,
  TResult? Function(double value)? fixed,
  TResult? Function(double value)? fraction,
  TResult? Function(double value)? flex,
  TResult? Function(TableColumnWidth a, TableColumnWidth b)? max,
  TResult? Function(TableColumnWidth a, TableColumnWidth b)? min,
}) =>
    throw _privateConstructorUsedError;