i1.min=-1 i1.max=0
i2.min=-2 i2.max=1
i3.max=3
u1.min=0 u1.max=1
u2.max=3
i8.min=-128 i8.max=127
u8.max=255
i32.min=-2147483648 i32.max=2147483647
i64.max=9223372036854775807
i64.min+1 == -(i64.max): true
i64.min + i64.max == -1: true
u64.max as i64 == -1: true
usize.max as i64 == -1: true
usize.max == u64.max: true
isize.min == i64.min: true
typed: m3=3 mu=255 ms=-128
[u8.max]u8 len=255 a[254]=7
[i16.max]u8 len=32767 b[32766]=9