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“本文主要介绍dart语言基础Map
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Map定义
不指定泛型
var map1 = {'aa': 'aaa', 'bb': 'bbb', 'cc': true}; //直接赋值初始值...(map2); //{a: a1, b: b1}
map2['c'] = 'c1';
print(map2); //{a: a1, b: b1, c: c1}
var map3 = new...print(map10); //{a10: 1, b10: 4, c10: 3, c: 10}
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updateAll(V update(K key, V value)) 根据参数内的函数...,修改map
Map map11 = {'a11': 2, 'b11': 3, 'c11': 4};
var resultMap11 = map11.updateAll...,int> map16 = {'a16':7,"b16":5,'c16':4};
Map map17 = map16.map((key, value) {
return