Returns the sum value of a list of numbers.
Use Iterable.reduce() to sum all the numbers in a list.
代码实现
num sum(List<num> nums){
return nums.reduce((num a, num b) => a + b);
}使用样例
sum([1, 2, 3, 4]); // 10Returns the sum value of a list of numbers.
Use Iterable.reduce() to sum all the numbers in a list.
num sum(List<num> nums){
return nums.reduce((num a, num b) => a + b);
}sum([1, 2, 3, 4]); // 10