18 lines
417 B
Go
18 lines
417 B
Go
package greetings
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import (
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"errors"
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"fmt"
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)
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// Hello returns a greeting for the named person.
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func Hello(name string) (string, error) {
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// If no name was given, return an error with a message.
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if name == "" {
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return "", errors.New("empty name")
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}
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// Return a greeting that embeds the name in a message.
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message := fmt.Sprintf("Hi, %v. Welcome!", name)
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return message, nil
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}
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