alamb commented on code in PR #5318:
URL: https://github.com/apache/arrow-rs/pull/5318#discussion_r1465608971
##########
arrow-json/src/writer/encoder.rs:
##########
@@ -31,7 +31,13 @@ pub struct EncoderOptions {
pub explicit_nulls: bool,
}
+/// A trait to format array values as JSON values
+///
+/// Nullability is handled by the caller to allow encoding nulls implicitly,
i.e. `{}` instead of `{"a": null}`
pub trait Encoder {
+ /// Encode the non-null value at index `idx` to `out`
+ ///
+ /// The behaviour is unspecified if `idx` corresponds to a null index
Review Comment:
👍
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