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8 lines
344 B
Scala
8 lines
344 B
Scala
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use std, functional
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data = ["apple", "banana", "cherry", "apricot", "coconut"]
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println tomap(data, def(str) = str.substring(0, 1))
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println tomap(data, def(str) = str.substring(0, 1), ::toUpperCase)
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println tomap(data, def(str) = str.substring(0, 1), ::toUpperCase, ::joinValues)
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def joinValues(oldValue, newValue) = oldValue + ", " + newValue
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