29 lines
573 B
Go
29 lines
573 B
Go
package go_koans
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func aboutEnumeration() {
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{
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var concatenated string
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var total int
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strings := []string{"hello", " world", "!"}
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for i, v := range strings {
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total += i
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concatenated += v
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}
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assert(concatenated == "hello world!") // for loops have a modern variation
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assert(total == 3) // which offers both a value and an index
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}
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{
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var totalLength int
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strings := []string{"hello", " world", "!"}
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for _, v := range strings {
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totalLength += len(v)
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}
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assert(totalLength == 12) // although we may omit either value
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}
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}
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