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https://github.com/mainflux/mainflux.git
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c966a7802d
Setup top-level glide dependencies file. Migrated all of the manager service code into this repository. Fixed docker build procedure. Extracted executable to the top-level. Signed-off-by: Dejan Mijic <dejan@mainflux.com>
29 lines
504 B
Go
29 lines
504 B
Go
package main
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import (
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"errors"
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"strings"
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)
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// StringService provides operations on strings.
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type StringService interface {
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Uppercase(string) (string, error)
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Count(string) int
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}
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type stringService struct{}
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func (stringService) Uppercase(s string) (string, error) {
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if s == "" {
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return "", ErrEmpty
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}
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return strings.ToUpper(s), nil
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}
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func (stringService) Count(s string) int {
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return len(s)
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}
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// ErrEmpty is returned when an input string is empty.
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var ErrEmpty = errors.New("empty string")
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