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Update tutorial.md

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Milo Yip 2014-07-02 00:31:30 +08:00
parent c1035cb970
commit a74c5da9da
1 changed files with 3 additions and 3 deletions
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@ -190,10 +190,10 @@ When querying a number, you can check whether the number can be obtained as targ
Checking | Obtaining Checking | Obtaining
------------------|--------------------- ------------------|---------------------
`bool IsNumber()` | N/A `bool IsNumber()` | N/A
`bool IsInt()` | `int GetInt()`
`bool IsUint()` | `unsigned GetUint()` `bool IsUint()` | `unsigned GetUint()`
`bool IsInt64()` | `uint64_t GetInt64()` `bool IsInt()` | `int GetInt()`
`bool IsUint64()` | `int64_t GetUint()` `bool IsUint64()` | `uint64_t GetUint()`
`bool IsInt64()` | `int64_t GetInt64()`
`bool IsDouble()` | `double GetDouble()` `bool IsDouble()` | `double GetDouble()`
Note that, an integer value may be obtained in various ways without conversion. For example, A value `x` containing `123` will make `x.IsInt() == x.IsUint() == x.Int64() == x.Uint64() == ture`. But a value `y` containing `-3000000000` will only makes `x.int64() == true`. Note that, an integer value may be obtained in various ways without conversion. For example, A value `x` containing `123` will make `x.IsInt() == x.IsUint() == x.Int64() == x.Uint64() == ture`. But a value `y` containing `-3000000000` will only makes `x.int64() == true`.