core: silence some unused warnings when building without default features

core/ext/mod.rs

@@ -153,6 +153,7 @@ impl Database {
     }
 
     pub fn register_builtins(&self) -> Result<(), String> {
+        #[allow(unused_variables)]
         let ext_api = self.build_limbo_ext();
         #[cfg(feature = "uuid")]
         if unsafe { !limbo_uuid::register_extension_static(&ext_api).is_ok() } {

core/io/mod.rs

@@ -166,14 +166,17 @@ impl Buffer {
 cfg_block! {
     #[cfg(all(target_os = "linux", feature = "io_uring"))] {
         mod io_uring;
+        #[cfg(feature = "fs")]
         pub use io_uring::UringIO;
         mod unix;
+        #[cfg(feature = "fs")]
         pub use unix::UnixIO;
         pub use io_uring::UringIO as PlatformIO;
     }
 
     #[cfg(any(all(target_os = "linux",not(feature = "io_uring")), target_os = "macos"))] {
         mod unix;
+        #[cfg(feature = "fs")]
         pub use unix::UnixIO;
         pub use unix::UnixIO as PlatformIO;
     }

core/io/unix.rs

@@ -22,6 +22,7 @@ pub struct UnixIO {
 }
 
 impl UnixIO {
+    #[cfg(feature = "fs")]
     pub fn new() -> Result<Self> {
         debug!("Using IO backend 'syscall'");
         Ok(Self {

core/storage/database.rs

@@ -1,4 +1,6 @@
-use crate::{error::LimboError, io::Completion, Buffer, Result};
+#[cfg(feature = "fs")]
+use crate::error::LimboError;
+use crate::{io::Completion, Buffer, Result};
 use std::{cell::RefCell, rc::Rc};
 
 /// DatabaseStorage is an interface a database file that consists of pages.

core/translate/expr.rs

@@ -159,6 +159,7 @@ macro_rules! expect_arguments_min {
     }};
 }
 
+#[allow(unused_macros)]
 macro_rules! expect_arguments_even {
     (
         $args:expr,