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Clarify how null safety relates to runtime errors in variables.md #6983

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Clarify how null safety relates to runtime errors in variables.md #6983

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5 changes: 2 additions & 3 deletions src/content/language/variables.md
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Expand Up @@ -58,9 +58,8 @@ detects these potential errors at compile time.

For example, say you want to find the absolute value of an `int` variable `i`.
If `i` is `null`, calling `i.abs()` causes a null dereference error.
In other languages, trying this could lead to a runtime error,
but Dart's compiler prohibits these actions.
Therefore, Dart apps can't cause runtime errors.
In other languages, trying this could lead to a runtime error.
Dart's compiler prevents this error by prohibiting these actions.
Comment on lines +61 to +62
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@gemini-code-assist gemini-code-assist bot Oct 30, 2025

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This is a great clarification that removes the previous overstatement. To make the benefit of null safety even clearer, you could consider rephrasing to explicitly mention that this check happens at compile time. This would reinforce the point made just before the example.

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In other languages, trying this could lead to a runtime error.
Dart's compiler prevents this error by prohibiting these actions.
In other languages, trying this could lead to a runtime error.
With null safety, Dart reports this potential error at compile time.


Null safety introduces three key changes:

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