readme: update example with non-deprecated call (#588)

README.md

@@ -26,30 +26,32 @@ See [./examples](./examples) for example usage.
 package main
 
 import (
-	"context"
-	"log"
+  "context"
+  "fmt"
+  "log"
 
-	"github.com/tmc/langchaingo/llms/openai"
+  "github.com/tmc/langchaingo/llms"
+  "github.com/tmc/langchaingo/llms/openai"
 )
 
 func main() {
-	llm, err := openai.New()
-	if err != nil {
-		log.Fatal(err)
-	}
-	prompt := "What would be a good company name for a company that makes colorful socks?"
-	completion, err := llm.Call(context.Background(), prompt)
-	if err != nil {
-		log.Fatal(err)
-	}
-	log.Println(completion)
+  ctx := context.Background()
+  llm, err := openai.New()
+  if err != nil {
+    log.Fatal(err)
+  }
+  prompt := "What would be a good company name for a company that makes colorful socks?"
+  completion, err := llms.GenerateFromSinglePrompt(ctx, llm, prompt)
+  if err != nil {
+    log.Fatal(err)
+  }
+  fmt.Println(completion)
 }
 ```
 
 ```shell
 $ go run .
-
-Socktastic!
+Socktastic
 ```
 
 # Resources

examples/openai-readme/go.mod

@@ -0,0 +1,11 @@
+module github.com/tmc/langchaingo/examples/openai-readme
+
+go 1.21
+
+require github.com/tmc/langchaingo v0.1.4-alpha.0
+
+require (
+	github.com/dlclark/regexp2 v1.8.1 // indirect
+	github.com/google/uuid v1.4.0 // indirect
+	github.com/pkoukk/tiktoken-go v0.1.2 // indirect
+)

examples/openai-readme/go.sum

@@ -0,0 +1,16 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dlclark/regexp2 v1.8.1 h1:6Lcdwya6GjPUNsBct8Lg/yRPwMhABj269AAzdGSiR+0=
+github.com/dlclark/regexp2 v1.8.1/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
+github.com/google/uuid v1.4.0 h1:MtMxsa51/r9yyhkyLsVeVt0B+BGQZzpQiTQ4eHZ8bc4=
+github.com/google/uuid v1.4.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/pkoukk/tiktoken-go v0.1.2 h1:u7PCSBiWJ3nJYoTGShyM9iHXz4dNyYkurwwp+GHtyHY=
+github.com/pkoukk/tiktoken-go v0.1.2/go.mod h1:boMWvk9pQCOTx11pgu0DrIdrAKgQzzJKUP6vLXaz7Rw=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/tmc/langchaingo v0.1.4-alpha.0 h1:WVu2KgHr9wloHAiMbbeytiv2W76vpkA59uUwf0EUgrQ=
+github.com/tmc/langchaingo v0.1.4-alpha.0/go.mod h1:PKtJMXizDxJnT86q7lsVsyzTJqd0P2QKF7wt2jF6Lxk=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

examples/openai-readme/openai-readme.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	"github.com/tmc/langchaingo/llms"
+	"github.com/tmc/langchaingo/llms/openai"
+)
+
+func main() {
+	ctx := context.Background()
+	llm, err := openai.New()
+	if err != nil {
+		log.Fatal(err)
+	}
+	prompt := "What would be a good company name for a company that makes colorful socks?"
+	completion, err := llms.GenerateFromSinglePrompt(ctx, llm, prompt)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println(completion)
+}