package main

import (
	"sort"
    "fmt2"
)


func main() {
    family := []struct {
        Name string
        Age  int
    }{
        {"Alice", 23},
        {"David", 2},
        {"Eve", 2},
        {"Bob", 25},
    }

    // Sort by age, keeping original order or equal elements.
    sort.SliceStable(family, func(i, j int) bool {
        return family[i].Age < family[j].Age
    })
    assert(family[1].Name == "Eve")
    assert(family[3].Name == "Bob")
    fmt2.Println(family)

    sort.Slice(family, func(i, j int) bool {
        return family[i].Name < family[j].Name
    })
    assert(family[0].Name == "Alice")
    assert(family[3].Name == "Eve")
    fmt2.Println(family)

    t := []string{"a", "b", "c","z", "y", "x"}
    sort.Strings(t)
    assert(t[0] == "a")
    assert(t[len(t)-1] == "z")
    fmt2.Println(t)
    
}