public static smTransitionResult DoTransition(this Ism sm, IsmParameter parameter)
{
switch (sm.State.UnionCase)
{
case smState.UnionCases.a:
{
switch (parameter.Trigger.UnionCase)
{
case smTrigger.UnionCases.atob:
return(new smTransition(sm, ((asm)sm).atob((smParameters.atob)parameter), parameter));
default:
return(new smInvalidTrigger(sm, parameter));
}
}
case smState.UnionCases.b:
{
switch (parameter.Trigger.UnionCase)
{
default:
return(new smInvalidTrigger(sm, parameter));
}
}
default:
throw new ArgumentException($"Unknown type implementing Ism: {sm.GetType().Name}");
}
}
public static async Task <T> Match <T>(this Ism sm, Func <asm, Task <T> > a, Func <bsm, Task <T> > b)
{
switch (sm.State.UnionCase)
{
case smState.UnionCases.a:
return(await a((asm)sm).ConfigureAwait(false));
case smState.UnionCases.b:
return(await b((bsm)sm).ConfigureAwait(false));
default:
throw new ArgumentException($"Unknown type derived from Ism: {sm.GetType().Name}");
}
}
public static T Match <T>(this Ism sm, Func <asm, T> a, Func <bsm, T> b)
{
switch (sm.State.UnionCase)
{
case smState.UnionCases.a:
return(a((asm)sm));
case smState.UnionCases.b:
return(b((bsm)sm));
default:
throw new ArgumentException($"Unknown type derived from Ism: {sm.GetType().Name}");
}
}