Dart在线运行

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其他运算符



其他运算符

大多数剩余的运算符,已在示例中使用过:

Operator Name Meaning
() Funtion application Represents a function call
[] List access Refers to the value at the specified index in the list
. member access Refers to a property of an expression; example: foo.bar selects property barfrom expression foo
?. Conditional member access Like ., but the leftmost operand can be null; example: foo?.bar selects property bar from expression foo unless foo is null (in which case the value of foo?.bar is null)
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