Conclude example

simple_text_board/Cargo.lock

@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "addr2line"
 version = "0.14.1"
@@ -79,6 +81,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28b2cd92db5cbd74e8e5028f7e27dd7aa3090e89e4f2a197cc7c8dfb69c7063b"
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -1179,6 +1187,7 @@ dependencies = [
 name = "simple_text_board"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "chrono",
  "diesel",
  "log 0.4.13",

simple_text_board/Cargo.toml

@@ -10,6 +10,7 @@ chrono = { version = "0.4", features = ["serde"] }
 diesel = { version = "1.4", features = ["sqlite", "chrono"] }
 log = "0.4"
 serde = { version = "1.0", features = ["derive"] }
+anyhow = "1.0"
 
 [dependencies.rocket_contrib]
 version = "0.4"

simple_text_board/src/models.rs

@@ -15,7 +15,7 @@ pub struct NewPost<'a> {
 }
 
 impl NewPost<'_> {
-    pub fn insert(&self, conn: &diesel::SqliteConnection) -> QueryResult<usize> {
+    pub fn insert(&self, conn: &SqliteConnection) -> QueryResult<usize> {
         diesel::insert_into(table_posts).values(self).execute(conn)
     }
 }