增加map集合示例

go.mod

@@ -5,5 +5,6 @@ go 1.20
 require (
 	github.com/brildum/testify v0.0.0-20151105045740-d05693e2e501 // indirect
 	github.com/marusama/cyclicbarrier v1.1.0 // indirect
+	golang.org/x/exp v0.0.0-20240119083558-1b970713d09a // indirect
 	golang.org/x/sync v0.5.0 // indirect
 )

go.sum

@@ -2,5 +2,7 @@ github.com/brildum/testify v0.0.0-20151105045740-d05693e2e501 h1:ZWEmkmb/iJoRKLR
 github.com/brildum/testify v0.0.0-20151105045740-d05693e2e501/go.mod h1:Zpjn5ClomJALLjz5sjBsNW79y3MarfpDcZaSJqbsIwk=
 github.com/marusama/cyclicbarrier v1.1.0 h1:ol/AG+sjvh5yz832avbNjaowoerBuD3AgozxL+aD9u0=
 github.com/marusama/cyclicbarrier v1.1.0/go.mod h1:5u93l83cy51YXdz6eKq6kO9+9mGAooB6DHMAxcSuWwQ=
+golang.org/x/exp v0.0.0-20240119083558-1b970713d09a h1:Q8/wZp0KX97QFTc2ywcOE0YRjZPVIx+MXInMzdvQqcA=
+golang.org/x/exp v0.0.0-20240119083558-1b970713d09a/go.mod h1:idGWGoKP1toJGkd5/ig9ZLuPcZBC3ewk7SzmH0uou08=
 golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=
 golang.org/x/sync v0.5.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=