41 lines
858 B
Go
41 lines
858 B
Go
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// For more tutorials: https://blog.learngoprogramming.com
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//
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// 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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package main
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import (
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"fmt"
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"sort"
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"strings"
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)
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// summarize prints the report and errors if any
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func summarize(r *report, errs ...error) {
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sort.Strings(r.domains)
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fmt.Printf("%-30s %10s\n", "DOMAIN", "VISITS")
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fmt.Println(strings.Repeat("-", 45))
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for _, domain := range r.domains {
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parsed := r.sum[domain]
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fmt.Printf("%-30s %10d\n", domain, parsed.visits)
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}
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fmt.Printf("\n%-30s %10d\n", "TOTAL", r.total.visits)
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// only handle the errors once
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dumpErrs(errs...)
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}
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// this variadic func simplifies the multiple error handling
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func dumpErrs(errs ...error) {
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for _, err := range errs {
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if err != nil {
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fmt.Printf("> Err: %s\n", err)
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}
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}
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}
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