tconstraints.nim « constraints « tests - Nim - This repository contains the Nim compiler, Nim's stdlib, tools, and documentation. (mirror)

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path: root/tests/constraints/tconstraints.nim

blob: e61095fffbf8af2f6fd9b25dd0482e9548697684 (plain) (blame)

discard """
  line: 16
  errormsg: "type mismatch: got (int literal(232))"
"""

proc myGenericProc[T: object|tuple|ptr|ref|distinct](x: T): string = 
  result = $x

type
  TMyObj = tuple[x, y: int]

var
  x: TMyObj

assert myGenericProc(x) == "(x: 0, y: 0)"
assert myGenericProc(232) == "232"

> for i in 0 .. 5: await fs.write(i) await sleepAsync(100) echo("Done") fs.complete() proc beta() {.async.} = while not fs.finished: let (hasValue, value) = await fs.read() if hasValue: echo(value) echo("Finished") asyncCheck alpha() waitFor beta() template ensureCallbacksAreScheduled = # callbacks are called directly if the dispatcher is not running discard getGlobalDispatcher() proc testCompletion() {.async.} = ensureCallbacksAreScheduled var stream = newFutureStream[string]() for i in 1..5: await stream.write($i) var readFuture = stream.readAll() stream.complete() yield readFuture let data = readFuture.read() doAssert(data.len == 5, "actual data len = " & $data.len) waitFor testCompletion() # TODO: Something like this should work eventually. # proc delta(): FutureStream[string] {.async.} = # for i in 0 .. 5: # await sleepAsync(1000) # result.put($i) # return "" # proc omega() {.async.} = # let fut = delta() # while not fut.finished(): # echo(await fs.takeAsync()) # echo("Finished") # waitFor omega()