Dart offers some handy operators for dealing with values that might be null. One is the ??= assignment operator, which assigns a value to a variable only if that variable is currently null: int a; // The initial value of a is null.
Read moreWhat does a question mark after a variable mean?
The question mark in JavaScript is commonly used as conditional operator — called ternary operator when used with a colon (:) and a question mark (?) — to assign a variable name conditionally .
Read moreWhat is a late variable Flutter?
late modifier can be used while declaring a non-nullable variable that’s initialized after its declaration . Declaration of variables that will be initialize later is done using late modifier. That’s what I read on the google. Why it is necessary to declare non-nullable variables.
Read moreWhat is a late variable Flutter?
late modifier can be used while declaring a non-nullable variable that’s initialized after its declaration . Declaration of variables that will be initialize later is done using late modifier. That’s what I read on the google. Why it is necessary to declare non-nullable variables.
Read moreHow do you delay in Flutter?
How to Run Code After Time Delay in Flutter App
Read moreHow do you delay in Flutter?
How to Run Code After Time Delay in Flutter App
Read moreWhat is late in flutter?
late modifier means “enforce this variable’s constraints at runtime instead of at compile time ”. It’s almost like the word “late” describes when it enforces the variable’s guarantees. When you do this, the initializer becomes lazy.24 Eyl 2021
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