clean PR warnings

milli/src/update/index_documents/helpers/merge_functions.rs

@@ -11,6 +11,7 @@ use crate::Result;
 
 pub type MergeFn = for<'a> fn(&[u8], &[Cow<'a, [u8]>]) -> Result<Cow<'a, [u8]>>;
 
+#[allow(unused)]
 pub fn concat_u32s_array<'a>(_key: &[u8], values: &[Cow<'a, [u8]>]) -> Result<Cow<'a, [u8]>> {
     if values.len() == 1 {
         Ok(values[0].clone())

milli/src/update/index_documents/helpers/mod.rs

@@ -44,6 +44,7 @@ where
     Some((head, tail))
 }
 
+#[allow(unused)]
 pub fn read_u32_ne_bytes(bytes: &[u8]) -> impl Iterator<Item = u32> + '_ {
     bytes.chunks_exact(4).flat_map(TryInto::try_into).map(u32::from_ne_bytes)
 }