2 ms·
Storing a null value is a legitimate operation. How do you distinguish "never stored a value under key K", and "stored null under key K"?
by naasking 5y ago
Storing a null value is a legitimate operation. How do you distinguish "never stored a value under key K", and "stored null under key K"?
- scgtrp 5y agoI'm pretty sure you're agreeing with them. Current Lua does this, which is wonky: > t = {} > t['a'] = nil > t['a'] nil > t['b'] nil