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22 lines
814 B
Plaintext
22 lines
814 B
Plaintext
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fn map_string_to_int(list [string ...] func fn((string int))) {
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// return a function that can be used as an iterator
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() {
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// this function will be called by the for loop
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// whenever it wants to retrieve the next item in the collection.
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// get the element
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elem = &list.remove(0)
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switch! elem {
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// if the element was present, run the map function to convert it from a string to an int and return the result
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[string] {
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[func.run(elem.0)]
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}
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// if there are no more elements, return something that doesn't match.
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[] []
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}
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}
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}
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for v ["1" "2" "5" "-10" ...].map_string_to_int((s string) s.parse_int().assume1("list contained strings that can't be parsed to an int!")) {
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debug(v)
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}
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