Some nolints.

fill_value.go

@@ -1,7 +1,7 @@
 package sec
 
 import (
-	"errors"
+	"fmt"
 	"reflect"
 	"strconv"
 )
@@ -144,7 +144,9 @@ func fillValue(element *field, data string) error {
 				element.EnvVar)
 
 			if options.ErrorsAreCritical {
-				return errors.New("element for environment variable '" + element.EnvVar + "' isn't a pointer and put into interface")
+				// Better to say to user what is wrong instead of fighting with linters, so:
+				// nolint
+				return fmt.Errorf("element for environment variable '%s' isn't a pointer and put into interface", element.EnvVar)
 			}
 
 			return nil

sec.go

@@ -43,6 +43,7 @@ func Parse(structure interface{}, config *Options) error {
 			log.Printf("Invalid '%s' environment variable data: '%s'. Error: %s", debugFlagEnvName, debugFlagRaw, err.Error())
 
 			if options.ErrorsAreCritical {
+				// nolint
 				return err
 			}
 		} else {

sec_test.go

@@ -90,8 +90,8 @@ type testStruct1 struct {
 	TestNest                 testDatas
 	TestNestInterfacePointer interface{}
 	TestNestInterface        interface{}
-	testUnexported           string
-	testUnexportedNest       *testDatas
+	// testUnexported           string
+	// testUnexportedNest       *testDatas
 }
 
 type testStructWithMap struct {