20 lines
438 B
Go
20 lines
438 B
Go
package funcutil
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// NweCancels creates a stateful closure for adding callbacks into a list.
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func NewCancels() func(...func()) []func() {
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var cancels []func()
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return func(appended ...func()) []func() {
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cancels = append(cancels, appended...)
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return cancels
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}
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}
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// JoinCancels joins multiple cancel callbacks into one.
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func JoinCancels(cancellers []func()) func() {
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return func() {
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for _, c := range cancellers {
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c()
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}
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}
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}
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