commit | 352e9aa8e85f80d3af906392a012f689eb762a6c | [log] [tgz] |
---|---|---|
author | Lann Martin <lmartin@revolv.com> | Fri May 30 16:38:11 2014 |
committer | Lann Martin <lmartin@revolv.com> | Fri May 30 16:38:11 2014 |
tree | 2c5202594f0cfa41acde501cf02083a89f2f5051 | |
parent | 86b591cd1c235f02e82f9e26ed0761555af8b4d8 [diff] |
Add GetStructLike function
Builder helps you write fluent DSLs for your libraries with method chaining:
resp := ReqBuilder.
Url("http://golang.org").
Header("User-Agent", "Builder").
Get()
Builder uses immutable persistent data structures (these, specifically) so that each step in your method chain can be reused:
build := WordBuilder.AddLetters("Build")
builder := build.AddLetters("er")
building := build.AddLetters("ing")
Builder makes it easy to build structs using the builder pattern (surprise!):
import "github.com/lann/builder"
type Muppet struct {
Name string
Friends []string
}
type muppetBuilder builder.Builder
func (b muppetBuilder) Name(name string) muppetBuilder {
return builder.Set(b, "Name", name).(muppetBuilder)
}
func (b muppetBuilder) AddFriend(friend string) muppetBuilder {
return builder.Append(b, "Friends", friend).(muppetBuilder)
}
func (b muppetBuilder) Build() Muppet {
return builder.GetStruct(b).(Muppet)
}
var MuppetBuilder = builder.Register(muppetBuilder{}, Muppet{}).(muppetBuilder)
MuppetBuilder.
Name("Beaker").
AddFriend("Dr. Honeydew").
Build()
=> Muppet{Name:"Beaker", Friends:[]string{"Dr. Honeydew"}}
Builder is released under the MIT License.