From f13572a4c6399f84a8681a78ef0236b470ea811c Mon Sep 17 00:00:00 2001
From: MegaBluejay <dmoiseev2011@gmail.com>
Date: Mon, 14 Aug 2023 17:46:38 +0300
Subject: [PATCH] Remove field attr

---
 impl/src/error.rs                      |  2 +-
 tests/error/derives_forward.rs         | 30 ---------------
 tests/error/nightly/derives_forward.rs | 53 --------------------------
 3 files changed, 1 insertion(+), 84 deletions(-)

diff --git a/impl/src/error.rs b/impl/src/error.rs
index 358e527f..5b69fe57 100644
--- a/impl/src/error.rs
+++ b/impl/src/error.rs
@@ -167,7 +167,7 @@ fn allowed_attr_params() -> AttrParams {
         enum_: vec!["ignore", "forward"],
         struct_: vec!["ignore", "forward"],
         variant: vec!["ignore", "forward"],
-        field: vec!["ignore", "source", "backtrace", "forward"],
+        field: vec!["ignore", "source", "backtrace"],
     }
 }
 
diff --git a/tests/error/derives_forward.rs b/tests/error/derives_forward.rs
index 61ce18cf..d1d8a2dd 100644
--- a/tests/error/derives_forward.rs
+++ b/tests/error/derives_forward.rs
@@ -76,33 +76,3 @@ fn variant_attr() {
     assert!(err_b.source().is_some());
     assert!(err_b.source().unwrap().is::<Inner>());
 }
-
-derive_display!(FieldAttr);
-#[derive(Debug, Error)]
-enum FieldAttr {
-    A {
-        #[error(forward, source)]
-        field: Inner,
-    },
-    B {
-        #[error(source)]
-        field: Inner,
-    },
-}
-
-#[test]
-fn field_attr() {
-    let err_a = FieldAttr::A {
-        field: Inner { source: SimpleErr },
-    };
-
-    let err_b = FieldAttr::B {
-        field: Inner { source: SimpleErr },
-    };
-
-    assert!(err_a.source().is_some());
-    assert!(err_a.source().unwrap().is::<SimpleErr>());
-
-    assert!(err_b.source().is_some());
-    assert!(err_b.source().unwrap().is::<Inner>());
-}
diff --git a/tests/error/nightly/derives_forward.rs b/tests/error/nightly/derives_forward.rs
index 73c3c864..dac3c8b5 100644
--- a/tests/error/nightly/derives_forward.rs
+++ b/tests/error/nightly/derives_forward.rs
@@ -147,56 +147,3 @@ fn variant_attr() {
     assert_eq!(any::request_value::<i32>(&err_b), Some(42));
     assert_bt!(==, err_b, .get_source_backtrace);
 }
-
-derive_display!(FieldAttr);
-#[derive(Debug, Error)]
-enum FieldAttr {
-    A {
-        #[error(forward, backtrace)]
-        source: Inner,
-    },
-    B {
-        #[error(backtrace)]
-        source: Inner,
-    },
-}
-
-impl FieldAttr {
-    fn get_source_backtrace(&self) -> &Backtrace {
-        any::request_ref(match self {
-            Self::A { source } => &source.source,
-            Self::B { source } => &source.source,
-        })
-        .unwrap()
-    }
-}
-
-#[test]
-fn field_attr() {
-    let err_a = FieldAttr::A {
-        source: Inner {
-            source: BacktraceErr {
-                backtrace: Backtrace::force_capture(),
-            },
-        },
-    };
-    let err_b = FieldAttr::B {
-        source: Inner {
-            source: BacktraceErr {
-                backtrace: Backtrace::force_capture(),
-            },
-        },
-    };
-
-    assert!(err_a.source().is_some());
-    assert!(err_a.source().unwrap().is::<BacktraceErr>());
-    assert!(any::request_ref::<Backtrace>(&err_a).is_some());
-    assert_eq!(any::request_value::<i32>(&err_a), Some(42));
-    assert_bt!(==, err_a, .get_source_backtrace);
-
-    assert!(err_b.source().is_some());
-    assert!(err_b.source().unwrap().is::<Inner>());
-    assert!(any::request_ref::<Backtrace>(&err_b).is_some());
-    assert_eq!(any::request_value::<i32>(&err_b), Some(42));
-    assert_bt!(==, err_b, .get_source_backtrace);
-}