From dbe6a132cd87df709319fb9c27e6027c57f2ddfb Mon Sep 17 00:00:00 2001
From: Cameron Moore <moorereason@gmail.com>
Date: Tue, 4 Jan 2022 10:45:00 -0600
Subject: [PATCH] Fix invalid type assertion in LoadBytes

Fixes #732
---
 marshal_test.go | 10 ++++++++++
 toml.go         |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/marshal_test.go b/marshal_test.go
index 1abd5c1a..8178263e 100644
--- a/marshal_test.go
+++ b/marshal_test.go
@@ -4119,3 +4119,13 @@ ErrorField = "foo"
 		t.Fatalf("error was expected")
 	}
 }
+
+func TestGithubIssue732(t *testing.T) {
+	var v interface{}
+	data := []byte("a=\nb=0")
+
+	err := Unmarshal(data, &v)
+	if err == nil {
+		t.Fatalf("error was expected")
+	}
+}
diff --git a/toml.go b/toml.go
index 6d82587c..5541b941 100644
--- a/toml.go
+++ b/toml.go
@@ -471,7 +471,7 @@ func LoadBytes(b []byte) (tree *Tree, err error) {
 			if _, ok := r.(runtime.Error); ok {
 				panic(r)
 			}
-			err = errors.New(r.(string))
+			err = fmt.Errorf("%s", r)
 		}
 	}()