105 lines
2.3 KiB
Go
105 lines
2.3 KiB
Go
// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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// For more tutorials : https://learngoprogramming.com
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// In-person training : https://www.linkedin.com/in/inancgumus/
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// Follow me on twitter: https://twitter.com/inancgumus
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package main
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import "fmt"
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/*
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~ TICTACTOE GAME IN GO ~
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+ This example uses the very basics of the Go language.
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+ The goal is learning all the basics.
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*/
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func main() {
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/*
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VERSION #1: Declare variables
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Every type has a zero-value:
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numeric types => 0
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bool => false
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string => ""
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*/
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// var banner string
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// var board string
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// var turn int
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// var maxTurns int
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// var won bool
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/*
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VERSION #2: Declare variables parallel (same as above)
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turn and lastPos are int
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won and wrongMove are bool
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*/
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// var banner, board string
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// var turn, maxTurns int
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// var won bool
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/*
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VERSION #3: Declare variables in a group and parallel (same as above)
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*/
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// var (
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// banner, board string
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// turn, maxTurns int
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// won bool
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// )
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/*
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VERSION #4: Declare variables in a group (same as above)
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*/
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var (
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banner string // tictactoe banner
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board string // tictactoe board
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turn int // total valid turns played
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maxTurns int // maximum number of turns
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won bool // is there any winner?
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progress float64 // remaining progress
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)
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/*
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#5: Assignment
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*/
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banner = " TIC~TAC~TOE"
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board = `
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/---+---+---\
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| | X | |
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+---+---+---+
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+---+---+---+
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\---+---+---/`
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// maxTurns = 9
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// turn = 2
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// multiple assignment
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maxTurns, turn = 9, 2
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// cannot assign int to float
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// progress = 1 - (turn / maxTurns) * 100
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// convert ints to float so that the result will be float
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// literals are typeless: they automatically get converted to the surrounding operands
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progress = (1 - (float64(turn) / float64(maxTurns))) * 100
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fmt.Println(banner)
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fmt.Println(board)
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fmt.Println()
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fmt.Printf("Current Turn : %d\n", turn)
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fmt.Printf("Is there a winner : %t\n", won)
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fmt.Printf("Turns left : %.1f%%\n", progress)
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// This is also valid: the expression is evaluated on the fly.
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// fmt.Printf("Turns left : %.1f%%\n",
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// (1 - (float64(turn) / float64(maxTurns))) * 100)
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}
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