lib/steep/services/signature_help_provider.rb in steep-1.8.0.dev.1 vs lib/steep/services/signature_help_provider.rb in steep-1.8.0.dev.2

@@ -9,11 +9,11 @@
         def parameters
           if method_type.type.is_a?(RBS::Types::Function)
             arguments = [] #: Array[String]
             arguments.push(*method_type.type.required_positionals.map(&:to_s))
             arguments.push(*method_type.type.optional_positionals.map {|p| "?#{p}"})
-            arguments.push("*#{self.method_type.type.rest_positionals}") if method_type.type.rest_positionals
+            arguments.push("*#{method_type.type.rest_positionals}") if method_type.type.rest_positionals
             arguments.push(*method_type.type.trailing_positionals.map(&:to_s))
             arguments.push(*method_type.type.required_keywords.map {|name, param| "#{name}: #{param}" })
             arguments.push(*method_type.type.optional_keywords.map {|name, param| "?#{name}: #{param}" })
             arguments.push("**#{method_type.type.rest_keywords}") if method_type.type.rest_keywords
             arguments
@@ -134,9 +134,10 @@
         [items, index]
       end
 
       def active_parameter_for(method_type, argument_nodes, last_argument_nodes, node)
         return unless method_type
+        return unless method_type.type.is_a?(RBS::Types::Function)
 
         positionals = method_type.type.required_positionals.size + method_type.type.optional_positionals.size + (method_type.type.rest_positionals ? 1 : 0) + method_type.type.trailing_positionals.size
 
         if argument_nodes.size == 1
           # Cursor is not on the argument (maybe on comma after argument)