mirror of
https://github.com/teivah/100-go-mistakes.git
synced 2026-06-22 01:17:11 +08:00
53 lines
865 B
Go
53 lines
865 B
Go
package main
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import (
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"errors"
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"fmt"
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"strings"
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)
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func main() {
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s1 := "Hello, World!"
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s2 := s1[:5]
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fmt.Println(s2)
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s1 = "Hêllo, World!"
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s2 = string([]rune(s1)[:5])
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fmt.Println(s2)
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}
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type store struct{}
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func (s store) handleLog1(log string) error {
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if len(log) < 36 {
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return errors.New("log is not correctly formatted")
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}
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uuid := log[:36]
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s.store(uuid)
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// Do something
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return nil
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}
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func (s store) handleLog2(log string) error {
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if len(log) < 36 {
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return errors.New("log is not correctly formatted")
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}
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uuid := string([]byte(log[:36]))
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s.store(uuid)
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// Do something
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return nil
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}
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func (s store) handleLog3(log string) error {
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if len(log) < 36 {
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return errors.New("log is not correctly formatted")
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}
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uuid := string(strings.Clone(log[:36]))
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s.store(uuid)
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// Do something
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return nil
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}
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func (s store) store(uuid string) {
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// ...
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}
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