Constant RUST 

pub const RUST: &str = r#"
    (function_item
      name: (identifier) @name) @function

    (struct_item
      name: (type_identifier) @name) @struct

    (enum_item
      name: (type_identifier) @name) @enum

    (impl_item
      type: (type_identifier) @name) @impl

    (trait_item
      name: (type_identifier) @name) @trait

    (mod_item
      name: (identifier) @name) @module

    (macro_definition
      name: (identifier) @name) @macro
"#;

Rust symbol extraction query