public static Zen <TResult> Create(
Zen <IList <T> > listExpr,
Zen <TResult> empty,
Func <Zen <T>, Zen <IList <T> >, Zen <TResult> > cons)
{
CommonUtilities.Validate(listExpr);
CommonUtilities.Validate(empty);
CommonUtilities.Validate(cons);
return(Simplify(listExpr, empty, cons));
}
public static Zen <bool> Create(Zen <bool> expr)
{
CommonUtilities.Validate(expr);
if (hashConsTable.TryGetValue(expr, out var value))
{
return(value);
}
var ret = Simplify(expr);
hashConsTable[expr] = ret;
return(ret);
}
public static Zen <T> Create(Zen <T> expr)
{
CommonUtilities.Validate(expr);
CommonUtilities.ValidateIsIntegerType(typeof(T));
if (hashConsTable.TryGetValue(expr, out var value))
{
return(value);
}
var ret = Simplify(expr);
hashConsTable[expr] = ret;
return(ret);
}
public static Zen <TTo> CreateMulti(Zen <TFrom> expr, ImmutableList <Func <object, object> > converters)
{
CommonUtilities.Validate(expr);
var key = (expr, converters);
if (hashConsTable.TryGetValue(key, out var value))
{
return(value);
}
var ret = Simplify(expr, converters);
hashConsTable[key] = ret;
return(ret);
}
