TResult IUnionFuncPatternMatcherAfterElse <TResult> .Result()
{
var possibleResult = _union.Case == Variant.Case1
? _case1FunctionSelector.DetermineResult(_union.Case1)
: _case2FunctionSelector.DetermineResult(_union.Case2);
return(possibleResult.HasValue ? possibleResult.Value : _elseAction(_success));
}
TResult IUnionFuncPatternMatcherAfterElse <TResult> .Result()
{
var possibleResult = _valueOrError.HasValue
? _valueFunctionSelector.DetermineResult(_valueOrError.Value)
: _errorFunctionSelector.DetermineResult(_valueOrError.Error);
return(possibleResult.HasValue ? possibleResult.Value : _elseAction(_valueOrError));
}
private Option <TResult> DetermineResult(IUnion <T1, T2, T3, T4> union)
{
switch (union.Case)
{
case Case1: return(_case1Selector.DetermineResult(union.Case1));
case Case2: return(_case2Selector.DetermineResult(union.Case2));
case Case3: return(_case3Selector.DetermineResult(union.Case3));
default: return(_case4Selector.DetermineResult(union.Case4));
}
}