static void Init()
{
var expr = ConvertBuilder.GetConverter(null, typeof(TFrom), typeof(TTo));
_expression = (Expression <Func <TFrom, TTo> >)expr.Item1;
var rexpr = (Expression <Func <TFrom, TTo> >)expr.Item1.Transform(e => e is DefaultValueExpression ? e.Reduce() : e);
_lambda = rexpr.Compile();
}
public LambdaInfo Create(MappingSchema mappingSchema, Type from, Type to)
{
var ex = ConvertBuilder.GetConverter(mappingSchema, from, to);
var lm = ex.Item1.Compile();
var ret = new LambdaInfo(ex.Item1, ex.Item2, lm, ex.Item3);
Set(_expressions, from, to, ret);
return(ret);
}