Add #[derive(Clone, Copy... on some bitflags / enum (#1396)

This will make it easier to use them, e.g. I won't need to re-create `FunctionFlags` for registering multiple similar functions.

src/config.rs

@@ -9,6 +9,7 @@ use crate::{Connection, Result};
 /// Database Connection Configuration Options
 /// See [Database Connection Configuration Options](https://sqlite.org/c3ref/c_dbconfig_enable_fkey.html) for details.
 #[repr(i32)]
+#[derive(Copy, Clone, Debug)]
 #[allow(non_snake_case, non_camel_case_types)]
 #[non_exhaustive]
 #[allow(clippy::upper_case_acronyms)]

src/functions.rs

@@ -311,6 +311,7 @@ bitflags::bitflags! {
     /// Function Flags.
     /// See [sqlite3_create_function](https://sqlite.org/c3ref/create_function.html)
     /// and [Function Flags](https://sqlite.org/c3ref/c_deterministic.html) for details.
+    #[derive(Clone, Copy, Debug)]
     #[repr(C)]
     pub struct FunctionFlags: ::std::os::raw::c_int {
         /// Specifies UTF-8 as the text encoding this SQL function prefers for its parameters.

src/limits.rs

@@ -9,6 +9,7 @@ use std::os::raw::c_int;
 /// See the official documentation for more information:
 /// - <https://www.sqlite.org/c3ref/c_limit_attached.html>
 /// - <https://www.sqlite.org/limits.html>
+#[derive(Copy, Clone, Debug)]
 #[repr(i32)]
 #[non_exhaustive]
 #[allow(clippy::upper_case_acronyms, non_camel_case_types)]

src/types/mod.rs

@@ -111,7 +111,7 @@ pub struct Null;
 
 /// SQLite data types.
 /// See [Fundamental Datatypes](https://sqlite.org/c3ref/c_blob.html).
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub enum Type {
     /// NULL
     Null,

src/vtab/mod.rs

@@ -373,6 +373,7 @@ bitflags::bitflags! {
     /// Virtual table scan flags
     /// See [Function Flags](https://sqlite.org/c3ref/c_index_scan_unique.html) for details.
     #[repr(C)]
+    #[derive(Copy, Clone, Debug)]
     pub struct IndexFlags: ::std::os::raw::c_int {
         /// Default
         const NONE     = 0;