4 ms·

This is so sad obvious it’s painful. Arithmetic addition and sequence concatenation are very very different. —— Scala got this right as well (except strings,

This is so sad obvious it’s painful. Arithmetic addition and sequence concatenation are very very different. —— Scala got this right as well (except strings, Java holdover) Concatenation is ++

Animats 1y ago
Python managed to totally confuse this. "+" for built-in arrays is concatenation. "+" for NumPy arrays is elementwise addition. Some functions accept both types. That can end badly.