46 lines
781 B
Go
46 lines
781 B
Go
// 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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"bufio"
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"fmt"
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"io"
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"strings"
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)
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func textReader(r io.Reader) ([]result, error) {
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in := bufio.NewScanner(r)
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return parseText(in)
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}
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func parseText(in *bufio.Scanner) ([]result, error) {
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var (
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results []result
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lines int
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)
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for in.Scan() {
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lines++
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result, err := parseFields(strings.Fields(in.Text()))
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if err != nil {
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// TODO: custom error type for line information
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return nil, fmt.Errorf("line %d: %v", lines, err)
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}
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results = append(results, result)
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}
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if err := in.Err(); err != nil {
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return nil, err
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}
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return results, nil
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}
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