package main

import "fmt2"

func main() {
    c := complex(1,2)
    assert(real(c) == 1)
    assert(imag(c) == 2)
    fmt2.Println(c)
    

    var f float64
    f = 1.2345699999
    c2 := complex(8, f)

    var iface interface{}
    iface = real(c2)
    switch i := iface.(type) {
	case float32:
        j := 0
        assert(j == 1)
    case float64:
        assert(i == 8)
        fmt2.Println("float64", i)
    }
}