Traits
Allows
#[union_fn]
types with context to be called as functions.Allows
#[union_fn]
types with context to be called as functions.Allows
#[union_fn]
types to convert to their optimized instance.Stores information about a
#[union_fn]
macro expansion.Attribute Macros
Proc. macro applied on Rust trait definitions to generate so-called “union functions”.