| commit | 1b87b36280d04fe7882d1512bf038ea2967ad534 | [log] [tgz] |
|---|---|---|
| author | Lann <lannm@google.com> | Fri Feb 16 23:43:17 2018 |
| committer | GitHub <noreply@github.com> | Fri Feb 16 23:43:17 2018 |
| tree | b7985436aa589f1f0c74c3af33f74813b75974fe | |
| parent | f22ce00fd9394014049dad11c244859432bd6820 [diff] |
Create LICENSE
Builder was originally written for Squirrel, a fluent SQL generator. It is probably the best example of Builder in action.
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.