trustedlen

Signed-off-by: Robert Kruszewski <github@robertk.io>

Author: robert3005

vortex-array/src/arrays/primitive/array/mod.rs

@@ -474,16 +474,15 @@ impl Array<Primitive> {
         F: FnMut((T, bool)) -> R,
     {
         let validity = PrimitiveArrayExt::validity(&self);
-        let len = self.len();
         let data = self.into_data();
         let buf_iter = data.to_buffer::<T>().into_iter();
 
         let buffer = match &validity {
             Validity::NonNullable | Validity::AllValid => {
-                Buffer::<R>::from_trusted_len_iter(buf_iter.zip(iter::repeat_n(true, len)).map(f))
+                Buffer::<R>::from_trusted_len_iter(buf_iter.zip(iter::repeat(true)).map(f))
             }
             Validity::AllInvalid => {
-                Buffer::<R>::from_trusted_len_iter(buf_iter.zip(iter::repeat_n(false, len)).map(f))
+                Buffer::<R>::from_trusted_len_iter(buf_iter.zip(iter::repeat(false)).map(f))
             }
             Validity::Array(val) => {
                 #[expect(deprecated)]

vortex-buffer/src/trusted_len.rs

@@ -156,7 +156,7 @@ unsafe impl<I, T> TrustedLen for std::iter::Enumerate<I> where I: TrustedLen<Ite
 unsafe impl<T, U> TrustedLen for std::iter::Zip<T, U>
 where
     T: TrustedLen,
-    U: TrustedLen,
+    U: Iterator,
 {
 }