Question 1

How to handle nullable scalar fields in Pronto with Protocol Buffers?

Accepted Answer

Use Google's well-known types like StringValue, which Pronto automatically inlines into proto-maps, allowing scalar fields to be nil when unset, as explained in the well-known types section.

Question 2

Pronto vs clojure.java.data for protobuf integration – which is better?

Accepted Answer

Pronto is specialized for protobuf with type-safe, idiomatic map wrappers and fail-fast validation, while clojure.java.data is a general Java bean access tool; choose Pronto for robust protobuf semantics and Clojure integration.

Question 3

How to define custom encoders for complex type conversions in Pronto?

Accepted Answer

Specify encoders in the defmapper call with from-proto and to-proto functions, enabling seamless conversion between protobuf POJOs and Clojure types like UUIDs, as shown in the encoders example.

Question 4

Does Pronto support one-of fields in Protocol Buffers?

Accepted Answer

Yes, Pronto handles one-of fields with which-one-of and one-of functions to check and access the set field, maintaining protobuf semantics while integrating into Clojure maps.

Question 5

What's the performance impact of using Pronto in high-throughput applications?

Accepted Answer

Pronto is designed for minimal overhead with thin wrappers and no reflection, but for critical systems, review the performance documentation for benchmarks and optimization tips.

Question 6

How to serialize a proto-map to bytes for network transmission?

Accepted Answer

Use the proto-map->bytes function on a proto-map instance to convert it to a protobuf-compatible byte array, ensuring schema correctness and efficient serialization.

pronto

What is pronto?

Overview

Use Cases

Best For

Found a gem we're missing?

Not Ideal For

Pros & Cons

Pros

Cons

Frequently Asked Questions