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14 lines
386 B
14 lines
386 B
fn main() {
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// ANCHOR: here
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use std::collections::HashMap;
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let field_name = String::from("Favorite color");
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let field_value = String::from("Blue");
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let mut map = HashMap::new();
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map.insert(field_name, field_value);
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// 这里 field_name 和 field_value 不再有效，
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// 尝试使用它们看看会出现什么编译错误！
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// ANCHOR_END: here
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}
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