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Hello and welcome to the golden programming language course in the previous session, we talked about

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protocol for concept, and in this session it's time to go to this school program to illustrate how

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to use political power.

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First, go to Explorer and create a project folder like name library

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line breaks.

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Create a folder inside it named Harcourt.

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True to call and create a find card with the Porto extension inside its bow to prove to.

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First, we define the scene text inside it and said it's value equal to PER2 three, which will represent

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the port call buffer version.

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Syntax

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equals proto three.

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Now define option and sit go on the score package value.

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So we write option go on underscore package equals cash flow to

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go on.

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The Restore package option defines the import path of the package, which will contain all the generated

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code for this fine.

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The gold package name will be the last pass component of the import pass.

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Now define port call off.

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For example, we won't name it Bauchi soul, right?

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Message

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board.

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And define two variables first name by this string type and second Espeon by the aid type.

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A strange name equals one.

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And it turned to ice in equals to

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in order to be able to use our vertical bar for killers.

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We must first compile it.

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Then we compound it.

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Find with the extensions Dot PBE Dot Go is created inside the project, which is the equivalent of the

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port call baffling.

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Go back and we will access the components in the protocol before through the created a distraught fun

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before the compound, first in a star requirements packages so bright.

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City Library,

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go.

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Get that you Google Docs, go like dot org slash proto off first execute this command and after eat

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this slash for it all.

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And after Randy's comment, Rahm.

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C and D slash pro to Dash Gen Dash go first in a star.

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These three conference.

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Before I installed them, required details were installed, now it's time to compile our political power

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for fine to create the equivalent golden fine, so go to project paths and write compile command pro

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talk dot.

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The Dash Dash go on score out equals four destination.

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We set Dart that indicate current pass and four source pass.

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Go to the particle package and call book Dark Portal fine for a little code and call book Dark Portal

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and execute the command.

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OK, we can see that if fine, Carl Butch got that go extension was created in the Project Pass, which

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we can use to exchange our data.

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Now go to the root of project and create a main file and create main function to use these political

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buffer, create creative phone, may the school package name and create main function for me.

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First, define a variable from book history and initialize it.

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For example, in Bhuj call calling equals ampersand protocol.

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Are.

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Bush and initialize its name, for example, go programming

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language

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and ESPN, for example.

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One, two, three, four, five and six.

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Notice that the films start with a capital letter now, then we use the martial function from or package

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to serialize our port call Barford data and is stored in the data variable, which we display.

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This will print our encoded data.

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This function accept a port the message object as input parameter and return to values.

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First, a slice of byte and second, an error value.

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So define two variable light data and or data.

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Comma error call an equals and calling marschall function from protocol package pro tool.

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There are more shy

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and sit book as per the message.

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Now check error status.

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Lock the FATTORE and set a message marshalling.

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There were.

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Now, given to this serialized encoded message, I read a political buffer, so we declare a new pointer

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to the book it struck with empty fields, new blue collar equals Anderson protocol.

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Not much.

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Then we use the John Marshall function to DC, the encoded message stored in the data and this store

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in a new book on Marshall Function, passes the white forward message in by this nice variable and places

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the result in portal message.

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So first, define an error variable and common marshall function from Portal package.

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Go to the next line ETL equals and calling on all function from Pluto.

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Pluto

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got on more solid punch and sent data variable as binary data and set new book as per the message is

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resolved.

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Value new book.

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And check your status,

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lock Dot's baton and set a message for a role on marshalling that will

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finally be used together, Metal Gear its name and get ESPN that provided in our generated code to retrieve

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and print the fields for display Balkany value.

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We can't get name gear to solve you, right FP.

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Name calling.

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New book Don't Get Me.

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And for display book, I spin value, we can get and get a if p ESPN.

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New for the ice spin,

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the format to cool down, save the project, now let's go to round the project, go to terminal and

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run the project, go from Dot Backer Slash Maine dot com.

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Now we can see the output main go programming language and ISBN one two three four five six.

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So we were able to create a protocol buffer and use it inside the main method.

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First, the data were serialized using the marsh and function of the Portal package and displayed then

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serialized data by the en marche en fonction from the port of package is exist, serialized or the other

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words, these serialized end displays OK.

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In order not to prolong the time of decision, we will finish it and we will continue the content in

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the next session.

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Goodbye.