From 3ebd4fe43fcdb6dd2bb518976ddcf5cdc7cfb3a4 Mon Sep 17 00:00:00 2001
From: Ritchie Vink <ritchie46@gmail.com>
Date: Thu, 3 Feb 2022 13:16:12 +0100
Subject: [PATCH] add BooleanArray::from_trusted_len_values_iter_unchecked

---
 src/array/boolean/from.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/array/boolean/from.rs b/src/array/boolean/from.rs
index cf16d572787..4752e4e4355 100644
--- a/src/array/boolean/from.rs
+++ b/src/array/boolean/from.rs
@@ -18,6 +18,19 @@ impl BooleanArray {
         MutableBooleanArray::from_trusted_len_values_iter(iterator).into()
     }
 
+    /// Creates a new [`BooleanArray`] from an [`TrustedLen`] of `bool`.
+    /// Use this over [`BooleanArray::from_trusted_len_iter`] when the iterator is trusted len
+    /// but this crate does not mark it as such.
+    /// # Safety
+    /// The iterator must be [`TrustedLen`](https://doc.rust-lang.org/std/iter/trait.TrustedLen.html).
+    /// I.e. that `size_hint().1` correctly reports its length.
+    #[inline]
+    pub unsafe fn from_trusted_len_values_iter_unchecked<I: Iterator<Item = bool>>(
+        iterator: I,
+    ) -> Self {
+        MutableBooleanArray::from_trusted_len_iter_unchecked(iterator).into()
+    }
+
     /// Creates a new [`BooleanArray`] from a slice of `bool`.
     #[inline]
     pub fn from_slice<P: AsRef<[bool]>>(slice: P) -> Self {