/
format.go
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/
format.go
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// Copyright 2020 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package errors
import (
"fmt"
)
const (
th = "th"
st = "st"
nd = "nd"
rd = "rd"
)
// SuffixNumber adds an English ordinal indicator to the end of the given number.
// For example, 1 -> "1st", 54 -> "54th"
func SuffixNumber(num int) string {
keyNum := num % 20
suffix := th
switch keyNum {
case 1:
suffix = st
case 2:
suffix = nd
case 3:
suffix = rd
}
return fmt.Sprintf("%d%s", num, suffix)
}