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Hands-On High Performance with Go

You're reading from   Hands-On High Performance with Go Boost and optimize the performance of your Golang applications at scale with resilience

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Product type Paperback
Published in Mar 2020
Publisher Packt
ISBN-13 9781789805789
Length 406 pages
Edition 1st Edition
Languages
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Author (1):
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Bob Strecansky Bob Strecansky
Author Profile Icon Bob Strecansky
Bob Strecansky
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Toc

Table of Contents (20) Chapters Close

Preface 1. Section 1: Learning about Performance in Go
2. Introduction to Performance in Go FREE CHAPTER 3. Data Structures and Algorithms 4. Understanding Concurrency 5. STL Algorithm Equivalents in Go 6. Matrix and Vector Computation in Go 7. Section 2: Applying Performance Concepts in Go
8. Composing Readable Go Code 9. Template Programming in Go 10. Memory Management in Go 11. GPU Parallelization in Go 12. Compile Time Evaluations in Go 13. Section 3: Deploying, Monitoring, and Iterating on Go Programs with Performance in Mind
14. Building and Deploying Go Code 15. Profiling Go Code 16. Tracing Go Code 17. Clusters and Job Queues 18. Comparing Code Quality Across Versions 19. Other Books You May Enjoy

Text templating

Go has a built-in templating language, text/template, that implements templates with data and generates a text-based output. We use structs in order to define the data that we want to use within our templates. As with all things, Go input text is defined as UTF-8 and can be passed in as any format. We use double braces {{}} to denote actions that we want to perform on our data. A cursor, represented by ., allows us to add data to our template. These things combined create a powerful templating language that will allow us to reuse templates for many bits of code.

First, we are going to initialize our package, import our necessary dependencies, and define our struct for the data that we would like to pass into our template:

package main

import (
"fmt"
"os"
"text/template"
)

func main() {
type ToField struct {
Date string
Name...
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