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package jwz
import (
"fmt"
)
func ExampleSort() {
// Emails := loadEmails() - your function to load emails into a slice
//
// Create a threader and thread using the slice of Threadable in the slice called Emails
//
threader := NewThreader()
sliceRoot, err := threader.ThreadSlice(Emails)
if err != nil {
fmt.Printf("func ThreadSlice() error = %#v", err)
}
// Count with no dummies
//
var n, ns int
Count(sliceRoot, &n)
// Sort it Rodney!
//
x := Sort(sliceRoot, func(t1 Threadable, t2 Threadable) bool {
// Sort by date, inline function
//
return t1.GetDate().Before(t2.GetDate())
})
Count(x, &ns)
if n != ns {
fmt.Printf("Count before sort: %d, Count after sort: %d\n", n, ns)
}
fmt.Printf("First node subject: %s\n", x.Subject())
// Output: First node subject: 2002-02-01 05:44:14 +0000 UTC : Please help a newbie compile mplayer :-)
}
func ExampleWalk_depth() {
// Emails := loadEmails() - your function to load emails into a slice
//
// Create a threader and thread using the slice of Threadable in the slice called Emails
//
threader := NewThreader()
sliceRoot, err := threader.ThreadSlice(Emails)
if err != nil {
fmt.Printf("func ThreadSlice() error = %#v", err)
}
var c int
_ = Walk(true, sliceRoot, func(t Threadable, u interface{}) (bool, error) {
c := u.(*int)
if !t.IsDummy() {
*c++
}
return false, nil
},
&c)
fmt.Printf("Walker walked %d depth first\n", c)
// Output: Walker walked 2387 depth first
}
func ExampleWalk_breadth() {
// Emails := loadEmails() - your function to load emails into a slice
//
// Create a threader and thread using the slice of Threadable in the slice called Emails
//
threader := NewThreader()
sliceRoot, err := threader.ThreadSlice(Emails)
if err != nil {
fmt.Printf("func ThreadSlice() error = %#v", err)
}
var c int
// Walk the tree breadth first and call our anonymous function on each Threadable
//
_ = Walk(false, sliceRoot, func(t Threadable, u interface{}) (bool, error) {
c := u.(*int)
if !t.IsDummy() {
*c++
}
return false, nil
},
&c)
fmt.Printf("Walker walked %d depth first\n", c)
// Output: Walker walked 2387 depth first
}
type searcher struct {
messageID string
e Threadable
}
func ExampleWalk_search() {
// Emails := loadEmails() - your function to load emails into a slice
//
// Create a threader and thread using the slice of Threadable in the slice called Emails
//
threader := NewThreader()
sliceRoot, err := threader.ThreadSlice(Emails)
if err != nil {
fmt.Printf("func ThreadSlice() error = %#v", err)
}
// Construct our search
//
var param = &searcher{
messageID: "<008701c24a16$e3443830$0200a8c0@JMHALL>",
}
// Walk the tree breadth first and call our anonymous function on each Threadable
//
_ = Walk(false, sliceRoot,
func(t Threadable, u interface{}) (bool, error) {
params := u.(*searcher)
if !t.IsDummy() {
if t.MessageThreadID() == params.messageID {
// We found the email we wanted, so we can stop here
//
params.e = t
return true, nil
}
}
return false, nil
},
param)
fmt.Printf("Walker found the email %s with subject %s\n", param.messageID, param.e.Subject())
// Walker found the email <008701c24a16$e3443830$0200a8c0@JMHALL> with subject 2002-08-22 20:02:45 +0000 UTC : Property rights in the 3rd World (De Soto's Mystery of Capital)
}
func ExampleCount() {
// Emails := loadEmails() - your function to load emails into a slice
//
// Create a threader and thread using the slice of Threadable in the slice called Emails
//
threader := NewThreader()
sliceRoot, err := threader.ThreadSlice(Emails)
if err != nil {
fmt.Printf("func ThreadSlice() error = %#v", err)
return
}
// Find out how many non dummy Threadables are in the tree - in other words, how many
// actual emails are there in the tree?
//
var nc int
Count(sliceRoot, &nc)
fmt.Printf("There are %d test emails", nc)
// Output: There are 2387 test emails
}
|
