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Diffstat (limited to 'content/maps/people.go')
-rw-r--r-- | content/maps/people.go | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/content/maps/people.go b/content/maps/people.go new file mode 100644 index 0000000..ff5d9e3 --- /dev/null +++ b/content/maps/people.go @@ -0,0 +1,34 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build OMIT + +package main + +import "fmt" + +func main() { + // START1 OMIT + type Person struct { + Name string + Likes []string + } + var people []*Person + + likes := make(map[string][]*Person) // HL + for _, p := range people { + for _, l := range p.Likes { + likes[l] = append(likes[l], p) // HL + } + } + // END1 OMIT + + // START2 OMIT + for _, p := range likes["cheese"] { + fmt.Println(p.Name, "likes cheese.") + } + // END2 OMIT + + fmt.Println(len(likes["bacon"]), "people like bacon.") +} |