injectables 0.1.0

A procedural macro library that enables field injection between Rust structs through #[injectable] and #[inject_fields] attributes. The library handles visibility rules, generic type resolution, and detects circular dependencies during compile time to ensure safe composition. This enables a declarative approach to struct composition where fields from one or more source structs can be automatically injected into target structs while respecting Rust's ownership and visibility rules.
Documentation 
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error: Cannot inject fields from 'NonexistentStruct' as this type does not exist
 --> tests/fail/nonexistent_struct.rs:3:1
  |
3 | #[inject_fields(NonexistentStruct)]
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the attribute macro `inject_fields` (in Nightly builds, run with -Z macro-backtrace for more info)