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Node.js – v8.serializer.writeUint64() Method
The v8.serializer.writeUint64() method is used for writing a raw 64-bit unsigned integer to the internal buffer. The number is split into high and low 32-bit integers.
Syntax
v8.serializer.writeUint64(high, low)
Parameters
The parameters are defined below:
- high − This parameter takes input for the higher 32-bit of the 64-bit integer that will be return in the internal buffer.
- low − This parameter takes input for the low 32-bit of the 64-bit integer that will be return in the internal buffer.
Example 1
Create a file with the name "writeUint64.js" and copy the following code snippet. After creating the file, use the command "writeUint64.js" to run this code.
// v8.serializer.writeUint64() Demo Example
// Importing the v8 module
const v8 = require('v8');
// Defining a new object for v8 serializer
const serializer = new v8.Serializer();
// Printing the 64-bit integer in the internal buffer
console.log(serializer.writeUint64(12345, 56789));
console.log(serializer.releaseBuffer());Output
C:\home
ode>> node writeUint64.js undefined <Buffer d5 bb 83 80 90 87 0c>
Example 2
Let’s take a look at another example
// v8.serializer.writeUint64() Demo Example
// Importing the v8 module
const v8 = require('v8');
// Defining a new object for v8 serializer
const serializer = new v8.Serializer();
// Printing the 64-bit integer in the internal buffer
console.log(serializer.writeUint64(12345, 56789));
// Defining the deserializer object
const deserializer = new
v8.Deserializer(serializer.releaseBuffer());
console.log(deserializer.readUint64());Output
C:\home
ode>> node writeUint64.js undefined [ 12345, 56789 ]
Updated on: 17-Aug-2021
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