Instance Propertypointfreeco.swift-dependencies 1.6.2Dependencies

    assert

    A dependency for handling assertions.

    Assert.swift:24DependencyValuesAssert.md
    var assert: any AssertionEffect { get }
    Mangled symbol
    s12Dependencies16DependencyValuesV6assertAA15AssertionEffect_pvp What are these?
    FNV24 hash
    4HF14

    Useful as a controllable and testable substitute for Swift’s assert function that calls reportIssue in tests instead of terminating the executable.

    func operate(_ n: Int) {
  @Dependency(\.assert) var assert
  assert(n > 0, "Number must be greater than zero")
  // ...
}

    Tests can assert against this precondition using XCTExpectFailure:

    XCTExpectFailure {
  operate(n)
} issueMatcher: {
  $0.compactDescription = "Number must be greater than zero"
}

    Dependency values

    Custom assertions

    • AnyAssertionEffect