adopt new interface

Author: fumito-ito

Sources/FunctionCalling-GoogleGenerativeAI/FunctionCalling_GoogleGenerativeAI.swift

@@ -9,12 +9,10 @@ typealias FunctionCallingTool = FunctionCalling.Tool
 
 extension ToolContainer {
     public var googleGenerativeAITools: [GoogleGenerativeAI.Tool] {
-        get throws {
-            let data = allTools.data(using: .utf8)!
-            let functionCallingTools = try JSONDecoder().decode([FunctionCallingTool].self, from: data)
-            let googleGenerativeAITools = functionCallingTools.map { $0.toFunctionDeclaration }
-
-            return [GoogleGenerativeAI.Tool(functionDeclarations: googleGenerativeAITools)]
-        }
+        [
+            GoogleGenerativeAI.Tool(
+                functionDeclarations: allTools?.compactMap { $0.toFunctionDeclaration }
+            )
+        ]
     }
 }