Correct types in example values for docs

Author: Suven-p

src/SDK/Language/Go.php

@@ -228,31 +228,41 @@ public function getParamExample(array $param): string
             switch ($type) {
                 case self::TYPE_NUMBER:
                 case self::TYPE_INTEGER:
+                    $output .= '0';
+                    break;
                 case self::TYPE_BOOLEAN:
-                    $output .= 'null';
+                    $output .= 'false';
                     break;
                 case self::TYPE_STRING:
                     $output .= '""';
                     break;
                 case self::TYPE_OBJECT:
-                    $output .= 'nil';
+                    $output .= 'map[string]interface{}{}';
                     break;
                 case self::TYPE_ARRAY:
-                    $output .= '[]';
+                    $output .= '[]interface{}{}';
                     break;
                 case self::TYPE_FILE:
-                    $output .= 'NewInputFile("/path/to/file.png", "file.png")';
+                    $output .= 'file.NewInputFile("/path/to/file.png", "file.png")';
                     break;
             }
         } else {
             switch ($type) {
                 case self::TYPE_NUMBER:
                 case self::TYPE_INTEGER:
-                case self::TYPE_ARRAY:
                     $output .= $example;
                     break;
+                case self::TYPE_ARRAY:
+                    if (\str_starts_with($example, '[')) {
+                        $example = \substr($example, 1);
+                    }
+                    if (\str_ends_with($example, ']')) {
+                        $example = \substr($example, 0, -1);
+                    }
+                    $output .= 'interface{}{' . $example . '}';
+                    break;
                 case self::TYPE_OBJECT:
-                    $output .= 'nil';
+                    $output .= 'map[string]interface{}{}';
                     break;
                 case self::TYPE_BOOLEAN:
                     $output .= ($example) ? 'true' : 'false';
@@ -261,7 +271,7 @@ public function getParamExample(array $param): string
                     $output .= "\"{$example}\"";
                     break;
                 case self::TYPE_FILE:
-                    $output .= "file";
+                    $output .= 'file.NewInputFile("/path/to/file.png", "file.png")';
                     break;
             }
         }

templates/go/docs/example.md.twig

@@ -28,7 +28,16 @@ func main() {
 
 {% endif %}
     service := {{ service.name | caseLower }}.New{{ service.name | caseUcfirst }}(client)
-    response, error := service.{{ method.name | caseUcfirst }}({% for parameter in method.parameters.all %}{% if not loop.first %}, {% endif %}{{ parameter | paramExample }}{% endfor %})
+    response, error := service.{{ method.name | caseUcfirst }}(
+{% for parameter in method.parameters.all %}
+{% if parameter.required %}
+        {{ parameter | paramExample }},
+{% else %}
+        {{ service.name | caseLower }}.With{{ method.name | caseUcfirst }}{{ parameter.name | caseUcfirst }}({{ parameter | paramExample }}),
+{% endif %}
+{% endfor %}
+    )
+
     if error != nil {
         panic(error)
     }