Defining the function in Dart: Dart provides us with the facility of using functions in its program. Syntax: return_type function_name ( parameters ) { // Body of function return value ; } In the above syntax: function_name defines the name of the function.
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Defining Variables One of many ways, and the simplest way, to define a variable in Dart is using the var key word . var message = ‘Hello, World’; This example creates a variable called message , and also initializes the variable with a String value of Hello, World .
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Dart: How to pass a function into a function (using a Function as a method parameter)
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