40 lines
639 B
Go
40 lines
639 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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"bufio"
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"fmt"
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"io"
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)
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func textReader(r io.Reader) inputFn {
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return func(process processFn) error {
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var (
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l = 1
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in = bufio.NewScanner(r)
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)
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for in.Scan() {
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r, err := fastParseFields(in.Bytes())
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// r, err := parseFields(in.Text())
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if err != nil {
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return fmt.Errorf("line %d: %v", l, err)
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}
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process(r)
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l++
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}
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if c, ok := r.(io.Closer); ok {
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c.Close()
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}
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return in.Err()
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}
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}
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