21 lines
566 B
Text
21 lines
566 B
Text
val .select = f(.entries) {
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if not isArray(.entries): throw "invalid args"
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if len(.entries) == 0: return ""
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# print the menu
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writeln join "\n", map(f $"\.i:2;: \.e;", .entries, 1..len .entries)
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val .idx = toNumber read(
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"Select entry #: ",
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f(.x) {
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if not matching(RE/^[0-9]+$/, .x): return false
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val .y = toNumber .x
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.y > 0 and .y <= len(.entries)
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},
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"invalid selection\n", -1,
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)
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.entries[.idx]
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}
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writeln .select(["fee fie", "eat pi", "huff and puff", "tick tock"])
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