22 lines
426 B
Go
22 lines
426 B
Go
package traverse
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import "strings"
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type Breadcrumb []string
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func (b Breadcrumb) String() string {
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return strings.Join([]string(b), "/")
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}
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type Breadcrumber interface {
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Breadcrumb() Breadcrumb
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}
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// TryBreadcrumb accepts a nilable breadcrumber and handles it appropriately.
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func TryBreadcrumb(i Breadcrumber, appended ...string) []string {
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if i == nil {
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return appended
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}
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return append(i.Breadcrumb(), appended...)
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}
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