Numeric types vs C++ (3.3f)

Numeric types vs C++ (3.3f)

CL++ int and float are both Luau number.

• int x = 3.5; is a type error / warning: Luau does not truncate.
• int / int emits Luau / (float division). Use div(a, b) for //.
• pow(a, b) and ** emit ^.
• size(x) and x.size() emit #x.