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#javascript

19 posts18 participants4 posts today
SpielmannSpiel
Public

found, not really a bug, an interesting behavior in C# and @godotengine

When parsing JSON, an int gets parsed to a float. Which probably makes sense, since everything in JavaScript is a float anyways.
But that then breaks the ulong parsing with a wrong format. Don't know if this is a new 4.4 behavior or if it was always this way. In any case it took me a while to find this bug in my code.

#csharp #godot #gamedev #indiedev #Godot4 #programming #programmingtips #JavaScript #json

TL;DR: The image shows C# code in Godot reading a JSON response. A debug tooltip reveals the raw JSON string. Description: The screenshot captures a C# code snippet in the Godot engine, where an HTTP response is being read asynchronously. The line `string responseBody = await response.Content.ReadAsStringAsync(cancellationToken);` retrieves the response as a string. A debug tooltip displays the JSON content, showing keys such as `"hasError"`, `"switchOn"`, `"switchOff"`, `"total"`, and `"isSwitchOn"`. The `"total": 68` value is underlined in red, possibly indicating focus or debugging interest.
TL;DR: The image shows C# code in Godot, parsing a JSON response. A debug tooltip reveals parsed data. Description: The screenshot displays a C# code snippet inside the Godot game engine. The line of code parses a JSON string into a `Variant` type using `Json.ParseString(responseBody)`. A debug tooltip appears, showing the parsed JSON object containing keys like `"hasError"`, `"switchOn"`, `"switchOff"`, `"total"`, and `"isSwitchOn"`. The red underline highlights the `"total"` key. The code is likely debugging a game or application logic that involves switches or toggles.
TL;DR: The code attempts to parse a floating-point number as an `ulong`, causing a `System.FormatException`. Description: The image shows a debugging window in an IDE, evaluating an expression in C# within Godot. The expression tries to parse the `"total"` field from a `GodotDictionary` as an `ulong` using `ulong.Parse(data.AsGodotDictionary<string, string>()["total"])`. However, the value `"68.0"` is a floating-point number (with a decimal point), causing a `System.FormatException`. The error message indicates that the input string is not in the correct format for an unsigned long integer. The issue can be resolved by converting to `double` or `decimal` first, or by ensuring the value is an integer before parsing.
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