From f7549fd0b64363253f82c2b906c60bcfab583e0f Mon Sep 17 00:00:00 2001
From: Naian <126972030+nain-F49FF806@users.noreply.github.com>
Date: Mon, 27 Nov 2023 14:00:31 +0100
Subject: [PATCH] refactor: change more masking strategy structs to no-variant
 enums

as per #1973
---
 crates/cards/src/validate.rs   | 2 +-
 crates/masking/src/secret.rs   | 6 +++---
 crates/masking/src/strategy.rs | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/crates/cards/src/validate.rs b/crates/cards/src/validate.rs
index db6957057ecc..d083a420a1e5 100644
--- a/crates/cards/src/validate.rs
+++ b/crates/cards/src/validate.rs
@@ -72,7 +72,7 @@ impl<'de> Deserialize<'de> for CardNumber {
     }
 }
 
-pub struct CardNumberStrategy;
+pub enum CardNumberStrategy {}
 
 impl<T> Strategy<T> for CardNumberStrategy
 where
diff --git a/crates/masking/src/secret.rs b/crates/masking/src/secret.rs
index 96411d4632bd..b2e9124688cb 100644
--- a/crates/masking/src/secret.rs
+++ b/crates/masking/src/secret.rs
@@ -12,8 +12,8 @@ use crate::{strategy::Strategy, PeekInterface};
 /// To get access to value use method `expose()` of trait [`crate::ExposeInterface`].
 ///
 /// ## Masking
-/// Use the [`crate::strategy::Strategy`] trait to implement a masking strategy on a unit struct
-/// and pass the unit struct as a second generic parameter to [`Secret`] while defining it.
+/// Use the [`crate::strategy::Strategy`] trait to implement a masking strategy on a zero-variant
+/// enum and pass this enum as a second generic parameter to [`Secret`] while defining it.
 /// [`Secret`] will take care of applying the masking strategy on the inner secret when being
 /// displayed.
 ///
@@ -24,7 +24,7 @@ use crate::{strategy::Strategy, PeekInterface};
 /// use masking::Secret;
 /// use std::fmt;
 ///
-/// struct MyStrategy;
+/// enum MyStrategy {}
 ///
 /// impl<T> Strategy<T> for MyStrategy
 /// where
diff --git a/crates/masking/src/strategy.rs b/crates/masking/src/strategy.rs
index f744ee1f4b52..8b4d9b0ec34d 100644
--- a/crates/masking/src/strategy.rs
+++ b/crates/masking/src/strategy.rs
@@ -7,7 +7,7 @@ pub trait Strategy<T> {
 }
 
 /// Debug with type
-pub struct WithType;
+pub enum WithType {}
 
 impl<T> Strategy<T> for WithType {
     fn fmt(_: &T, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
@@ -18,7 +18,7 @@ impl<T> Strategy<T> for WithType {
 }
 
 /// Debug without type
-pub struct WithoutType;
+pub enum WithoutType {}
 
 impl<T> Strategy<T> for WithoutType {
     fn fmt(_: &T, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {