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README.md

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -460,7 +460,7 @@ std::println("");
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v_data2["data"]["id"] = 8848;
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v_data2["data"]["name"] = "Mount Everest";
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v_data2["data"]["active"] = true;
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v_data2["data_list"].arr().push_back(v_data2["data"]);
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v_data2["data_list"].push_back(v_data2["data"]);
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v_data2["name"] = "name_name";
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MyData2 d_data2{v_data2};
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@@ -708,7 +708,7 @@ smp_val["obj"].at("nested_k").is_nul(); // [] 和 at 可以混合使用
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数组和映射类型可能需要频繁操作,因此我们提供了一系列辅助函数。这些函数返回一个布尔值表示操作是否成功,不会抛出异常。
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| 函数名 | 返回值 | 说明 |
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--------------------------------------------------------------
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|--------|-------|------|
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| `size()` | `size_t` | 数组或映射则返回元素数,否则返回 `0` |
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| `empty()` | `bool` | 返回数组或映射是否为空,其他类型返回 `true` |
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| `contains(key)` | `bool` | 判断是否含某个键,非映射返回 `false` |
@@ -964,7 +964,7 @@ std::println("");
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v_data2["data"]["id"] = 8848;
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v_data2["data"]["name"] = "Mount Everest";
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v_data2["data"]["active"] = true;
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v_data2["data_list"].arr().push_back( v_data2["data"] );
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v_data2["data_list"].push_back( v_data2["data"] );
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v_data2["name"] = "name_name";
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MyData2 d_data2{ v_data2 };
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M_EXPECT_TRUE( d_data2.my_data.id == 8848 ); // true

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