30秒学会 Dart 片段 – differenceBy
Returns the difference between two lists, after applying the provided function to each list element ...
Returns the difference between two lists, after applying the provided function to each list element ...
Removes falsy values from a list. Use Iterable.removeWhere() in combination with the cascade operato...
Returns true if the provided predicate function returns false for all elements in a collection, fals...
Returns a new list with n elements removed from the right. Use List.sublist() to remove the specifie...
Creates a string with the results of calling the provided function on every character in the given s...
Returns a random integer in the specified range. Use Random.nextDouble() to generate a random number...
Returns all the elements of a list except the last one. Check if lst has the appropriate length, use...
Returns the average of a list, after mapping each element to a number using the provided function. U...
Returns true if the given string is a palindrome, false otherwise. Use String.toLowerCase() to conve...
Returns true if the provided predicate function returns true for all elements in a collection, false...