Built-in Annotations

@rename

@rename("...") is used to rename the serialized name of a field.

• Acts on struct / union members.
• Used as the wire / property name when generating HTTP / JSON mappings.
• Typically maps to #[serde(rename = "...")] in Rust.

Example:

struct User {
  uint32 id;
  @rename("new_name")
  string name;
};

@rename_all

@rename_all("...") allows renaming all fields within a structure.

@rename_all("snake_case")
struct User {
  uint32 id;
  string name;
};

Supported parameters:

• lowercase
• UPPERCASE
• PascalCase
• camelCase
• snake_case
• SCREAMING_SNAKE_CASE
• kebab-case
• SCREAMING-KEBAB-CASE