File: await_typo_correction.swift

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (36 lines) | stat: -rw-r--r-- 997 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
36
 
// RUN: %target-typecheck-verify-swift  -target %target-swift-5.1-abi-triple -parse-as-library
// REQUIRES: concurrency

func asyncFunc() async throws {}

func anotherAsyncFunc() async -> Int {
  return 42
}

func async() throws { }

@main struct MyProgram {
  static func main() async throws {
    // expected-error@+1 {{found 'async' in expression; did you mean 'await'?}}{{9-14=await}}
    try async asyncFunc()

    // expected-error@+2 {{found 'async' in expression; did you mean 'await'?}}{{5-10=await}}
    // expected-warning@+1 {{'try' must precede 'await'}}{{5-11=}}{{15-15=await }}
    async try asyncFunc()

    // expected-error@+1 {{found 'async' in expression; did you mean 'await'?}}{{13-18=await}}
    let _ = async anotherAsyncFunc()

    // Don't emit a diagnostic here
    async let foo = anotherAsyncFunc()
    let _ = await foo

    // I question the name choice, but it's valid
    try async()
  }
}

func varNamedAsync(async: Bool) async {
  if async { }
  let _ = async
}