30 lines
443 B
Go
30 lines
443 B
Go
package go_koans
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func aboutAnonymousFunctions() {
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{
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i := 1
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increment := func() {
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i++
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}
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increment()
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assert(i == 2) // closures function in an obvious way
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}
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{
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i := 1
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increment := func(x int) {
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x++
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}
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increment(i)
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assert(i == 1) // although anonymous functions need not always be closures
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}
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{
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double := func(x int) int { return x * 2 }
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assert(double(3) == 6) // they can do anything our hearts desire
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}
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}
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