ligo/src/test/contracts/attributes.ligo

const x : int = 1; attributes ["inline"]

function foo (const a : int) : int is
  block {
    const test : int = 2 + a;
    attributes ["inline"];
  } with test;
attributes ["inline"];

const y : int = 1; attributes ["inline"; "other"]

function bar (const b : int) : int is
  block {
    function test (const z : int) : int is
      block {
        const r : int = 2 + b + z
      } with r;
    attributes ["inline"; "foo"; "bar"]
  } with test (b)