gistfile1.go

package main

import ()

type Conn interface {
    Read([]int)
}

type connT struct {
}

func (c *connT) Read(data []int) {
}

func (c *connT) Read2(data []int) {
}

func read_escapes(conn Conn, data []int) {
    conn.Read(data)
}

func read_doesnt_escape(conn *connT, data []int) {
    conn.Read2(data)
}

func main() {
    c := &connT{}

    n := []int{1}
    // read_escapes(c, n)
    read_doesnt_escape(c, n)
}