ExpressionContext context= new ExpressionContext ();
var variables = context.Varibles;
variables.Add("a",null);
var compile = context.CompileGeneric<bool>("((a is not null) and (a>5))");
var result = compile.Evaluate();
ExpressionContext context= new ExpressionContext ();
var variables = context.Varibles;
variables.Add("a",null);
var compile = context.CompileGeneric<bool>("((a is not null) and (a>5))");
var result = compile.Evaluate();