Integers
Signed: i8, i16, i32, i64, isize
Unsigned: u8, u16, u32, u64, usize
The type of an integer literal, say 45, will be automatically inferred from context. But to force it, we add a suffix: 45u8 (without space) will be typed u8.
Note: Size of isize and usize depend on the architecture. On ...
