28 lines
406 B
Text
28 lines
406 B
Text
class HistoryVar(v) {
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has history = []
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has variable = v
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method ≔(value) {
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history << variable
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variable = value
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}
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method to_s {
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"#{variable}"
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}
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method AUTOLOAD(_, name, *args) {
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variable.(name)(args...)
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}
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}
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var foo = HistoryVar(0)
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foo ≔ 1
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foo ≔ 2
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foo ≔ foo+3
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foo ≔ 42
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say "History: #{foo.history}"
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say "Current value: #{foo}"
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