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Improve sample: safer argument parsing and clearer delay #52114

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13 changes: 10 additions & 3 deletions docs/core/docker/snippets/App/Program.cs
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Original file line number Diff line number Diff line change
@@ -1,9 +1,16 @@
var counter = 0;
var max = args.Length is not 0 ? Convert.ToInt32(args[0]) : -1;

while (max is -1 || counter < max)
// If a number is passed as a command-line argument,
// it will be used as the maximum counter value.
var max = args.Length > 0 && int.TryParse(args[0], out var parsedMax)
? parsedMax
: -1;

// Run indefinitely if no max value is provided
while (max == -1 || counter < max)
{
Console.WriteLine($"Counter: {++counter}");

await Task.Delay(TimeSpan.FromMilliseconds(1_000));
// Wait for one second between iterations
await Task.Delay(TimeSpan.FromSeconds(1));
}