convert return types in go template

kitcom/internal/golang/gogen.go

@@ -50,6 +50,17 @@ func (g *GoApiGenerator) Generate(apis *api.Api, destFile string) error {
 			}
 			return td, nil
 		},
+		"convtype": func(valDef string, valType api.ValType) (string, error) {
+			td, ok := map[api.ValType]string{
+				api.TInt:    fmt.Sprintf("int(%s.(float64))", valDef),
+				api.TString: fmt.Sprintf("%s.(string)", valDef),
+				api.TBool:   fmt.Sprintf("%s.(bool)", valDef),
+			}[valType]
+			if !ok {
+				return "", fmt.Errorf("cannot convert type %v for val %s", valType, valDef)
+			}
+			return td, nil
+		},
 		"zerovalue": func(t api.ValType) (string, error) {
 			v, ok := map[api.ValType]string{
 				api.TInt:    "0",

kitcom/internal/golang/gogen.tmpl

@@ -1,5 +1,4 @@
-
+{{- /*gotype: efprojects.com/kitten-ipc/kitcom/internal/golang.goGenData*/ -}}
-{{- /*gotype: efprojects.com/kitten-ipc/kitcom.goGenData*/ -}}
 
 // Code generated by kitcom. DO NOT EDIT.
 
@@ -27,7 +26,7 @@ func ({{$e.Name | receiver}} *{{$e.Name}}) {{$mtd.Name}}(
 		return {{ range $mtd.Ret }}{{ .Type | zerovalue }}, {{ end }} fmt.Errorf("call to {{ $e.Name }}.{{ $mtd.Name }} failed: %w", err)
 	}
 	_ = results
-	return {{range $idx, $ret := $mtd.Ret}}results[{{$idx}}].({{$ret.Type | typedef}}), {{end}}nil
+	return {{ range $idx, $ret := $mtd.Ret }}{{ convtype ( printf "results[%d]" $idx ) $ret.Type }}, {{ end }}nil
 }
 {{ end }}