runtime-contracts 0.2.1

Structured, understandable runtime contracts.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

use pretty_assertions::assert_eq;

use runtime_contracts::requires;

#[test]
fn requires_passes_with_truthy_predicate() {
  let res = requires(|| true, "should always pass");

  assert_eq!(res, Ok(()));
}

#[test]
fn requires_failes_with_falsy_predicate() {
  let res = requires(|| false, "should always pass");

  assert!(res.is_err());
}