//This actually declares a new binding
public void Set(string key, IValue value)
{
if (BoundVariables.TryGetValue(key, out Binding val))
{
val.Value = value;
}
else
{
BoundVariables[key] = new Binding(value);
}
}
private Binding GetBinding(string key)
{
BoundVariables.TryGetValue(key, out Binding val);
return(val ?? Parent?.GetBinding(key) ?? null);
}
public IValue Get(string key)
{
BoundVariables.TryGetValue(key, out Binding val);
return(val?.Value ?? Parent?.Get(key) ?? Value.Nil);
}