Sequel typecasts data when it is retrieved from the database, while ActiveRecord delays typecasting until use.
Sequel执行类型转换是在从数据库获取数据时就进行转换，而ActiveRecord直到使用数据时才延迟进行转换。
In arrays, this was very specific, as arrays are strongly typed — an int can only contain ints — and therefore there are no typecasts in the loop.
在数组中，类型非常明确，因为类型是强类型的，int只能包含整数，所以在循环中没有类型转换。
In arrays, this was very specific, as arrays are strongly typed — an int can only contain ints — and therefore there are no typecasts in the loop.
在数组中，类型非常明确，因为类型是强类型的，int只能包含整数，所以在循环中没有类型转换。
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