42 lines
883 B
Go
42 lines
883 B
Go
// Package slices contains functions to operate on slices treated as sets.
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package slices // import "github.com/influxdata/influxdb/pkg/slices"
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import "strings"
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// Union combines two string sets.
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func Union(setA, setB []string, ignoreCase bool) []string {
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for _, b := range setB {
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if ignoreCase {
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if !ExistsIgnoreCase(setA, b) {
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setA = append(setA, b)
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}
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continue
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}
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if !Exists(setA, b) {
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setA = append(setA, b)
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}
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}
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return setA
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}
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// Exists checks if a string is in a set.
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func Exists(set []string, find string) bool {
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for _, s := range set {
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if s == find {
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return true
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}
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}
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return false
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}
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// ExistsIgnoreCase checks if a string is in a set but ignores its case.
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func ExistsIgnoreCase(set []string, find string) bool {
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find = strings.ToLower(find)
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for _, s := range set {
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if strings.ToLower(s) == find {
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return true
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}
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}
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return false
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}
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