private void variableToString(VariableExpression variable, StringBuilder sb) {
var n = variables.indexOf(variable);
if (n == -1) {
n = variables.size();
variables.add(variable);
}
sb.append("#").append(variable.ExpressionKind).append(n).append("#").append(variable.Type).append("#").append(variable.Name).append("#");
}
LambdaExpression(Class<?> type, VariableExpression[] parameters, Statement body)
: super(ExpressionKind.Lambda, type) {