File: lifetime_dependence_inherit_fail.swift

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (35 lines) | stat: -rw-r--r-- 783 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
// RUN: %target-swift-frontend %s -emit-sil \
// RUN:   -o /dev/null \
// RUN:   -verify \
// RUN:   -sil-verify-all \
// RUN:   -module-name test \
// RUN:   -enable-experimental-feature NonescapableTypes

// REQUIRES: asserts
// REQUIRES: swift_in_compiler

struct BV : ~Escapable {
  let p: UnsafeRawPointer
  let i: Int

  @_unsafeNonescapableResult
  init(_ p: UnsafeRawPointer, _ i: Int) {
    self.p = p
    self.i = i
  }

  consuming func derive() -> dependsOn(self) BV {
    // Technically, this "new" view does not depend on the 'view' argument.
    // This unsafely creates a new view with no dependence.
    return BV(self.p, self.i)
  }
}

struct NE : ~Escapable {
  var bv: BV

  init(_ bv: consuming BV) -> dependsOn(bv) Self {
    self.bv = bv
    return self
  }
}