[GitHub] [arrow-rs] sunchao commented on a change in pull request #1423: Directly write to MutableBuffer in substring

[GitBox <gi...@apache.org>]

sunchao commented on a change in pull request #1423:
URL: https://github.com/apache/arrow-rs/pull/1423#discussion_r824268996



##########
File path: arrow/src/util/bench_util.rs
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@@ -94,6 +94,15 @@ where
 pub fn create_string_array<Offset: StringOffsetSizeTrait>(
     size: usize,
     null_density: f32,
+) -> GenericStringArray<Offset> {
+    create_string_array_with_len(size, null_density, 4)
+}
+
+/// Creates an random (but fixed-seeded) array of a given size, null density and length of string

Review comment:
       nit: "a random"
   
   Maybe: "Creates a random (but fixed-seeded) array of strings with given size, null density and length"




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