What is int flutter?

int class Null safety. An integer number . The default implementation of int is 64-bit two’s complement integers with operations that wrap to that range on overflow. Note: When compiling to JavaScript, integers are restricted to values that can be represented exactly by double-precision floating point values.

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How do you make Dart mixin?

In dart we can do this by using the keyword with . If you want to use class B as a mixin for class A then : The code class A with B is equivalent to class A extends Object with B . Right now, classes can only be used as mixins once they only extend object.15 Ara 2018

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How do you write a fat arrow?

An arrow function expression is an anonymous function expression written with the “fat arrow” syntax ( => ) . Like traditional function expressions, arrow functions are not hoisted, and so you cannot call them before you declare them. They are also always anonymous—there is no way to name an arrow function.

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