Serde Defaults | Rust Language

Description

"If this field is missing from the incoming JSON, call this function to get a default value instead of failing deserialization." Article 🔗 https://redandgreen.co.uk/serde-default-values/rust-programming/ Rust Playground 🔗 https://play.rust-lang.org/?version=stable&mode=debug&edition=2024&gist=c89e3e1f5d93618eea7757e67b0ccb7f Functions let you provide sensible defaults instead of 0 or false Keep it simple: inline functions are usually best Only extract to constants if you need the value elsewhere in your code "This pattern makes your APIs more ergonomic by allowing clients to omit optional fields while still getting reasonable default values."