let x = 0b0000_0001

let int32 = 42l
let int64 = 42L

let x = -44.20e99
let x = -44.20_34e99
let x = -44.20e+9
let x = -44.20e-9
let x = -44.20e-99_99
let x = -444_444.20e99
let x = 44.20e99
let x = 44.20_34e99
let x = 44.20e+9
let x = 44.20e-9
let x = 44.20e-99_99
let x = 44e99
let x = 44_44e99

let x = 0x0
let x = 0X0

let x = 0xAA
let x = 0XA_A
let x = 0xAA.ff
let x = 0xAA.ff_ff
let x = 0xAA.ff_ffp10
let x = 0xAA.ff_ffp+10
let x = 0xAA.ff_ffp-10
let x = 0xAA.ff_ffp100_00
let x = 0xAA.ff_ffp+100_00
let x = 0xAA.ff_ffp-100_00
