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Posted to commits@arrow.apache.org by al...@apache.org on 2021/08/19 20:50:34 UTC
[arrow-rs] branch cherry_pick_38e5d228 created (now c9dd2d3)
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at c9dd2d3 Doctest for PrimitiveArray using from_iter_values. (#694)
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new c9dd2d3 Doctest for PrimitiveArray using from_iter_values. (#694)
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[arrow-rs] 01/01: Doctest for PrimitiveArray using
from_iter_values. (#694)
Posted by al...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
alamb pushed a commit to branch cherry_pick_38e5d228
in repository https://gitbox.apache.org/repos/asf/arrow-rs.git
commit c9dd2d348e5a7c1fc6207c67fea5e40c881605cf
Author: Navin <na...@novemberkilo.com>
AuthorDate: Fri Aug 20 06:45:54 2021 +1000
Doctest for PrimitiveArray using from_iter_values. (#694)
* Doctest for PrimitiveArray using from_iter_values.
* Better example for building a PrimitiveArray.
---
arrow/src/array/array_primitive.rs | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arrow/src/array/array_primitive.rs b/arrow/src/array/array_primitive.rs
index 9c14f88..5777a03 100644
--- a/arrow/src/array/array_primitive.rs
+++ b/arrow/src/array/array_primitive.rs
@@ -44,6 +44,19 @@ const MICROSECONDS: i64 = 1_000_000;
const NANOSECONDS: i64 = 1_000_000_000;
/// Array whose elements are of primitive types.
+///
+/// # Example: From an iterator of values
+///
+/// ```
+/// use arrow::array::{Array, PrimitiveArray};
+/// use arrow::datatypes::Int32Type;
+/// let arr: PrimitiveArray<Int32Type> = PrimitiveArray::from_iter_values((0..10).map(|x| x + 1));
+/// assert_eq!(10, arr.len());
+/// assert_eq!(0, arr.null_count());
+/// for i in 0..10i32 {
+/// assert_eq!(i + 1, arr.value(i as usize));
+/// }
+/// ```
pub struct PrimitiveArray<T: ArrowPrimitiveType> {
/// Underlying ArrayData
/// # Safety