Dart Tutorial - #5 Assert in dart [دارت بالعربي ]
How To Use Assert In Dart
The first argument to assert can be any expression that resolves to a boolean value. If the expression’s value is true, the assertion succeeds and execution continues. If it’s false, the assertion fails and an exception (an AssertionError) is thrown.
When exactly do assertions work? That depends on the tools and framework you’re using:
Flutter enables assertions in debug mode.
Development-only tools such as webdev serve typically enable assertions by default.
Some tools, such as dart run and dart compile js support assertions through a command-line flag: --enable-asserts.
In production code, assertions are ignored, and the arguments to assert aren’t evaluated.
reference https://dart.dev/language/error-handling
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