26 lines
594 B
Plaintext
26 lines
594 B
Plaintext
effect Logger {
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fn log(level: String, msg: String): Unit
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fn getLevel(): String
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}
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fn processData(data: Int): Int with {Logger} = {
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Logger.log("info", "Processing data...")
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let result = data * 2
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Logger.log("debug", "Result computed")
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result
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}
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handler consoleLogger: Logger {
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fn log(level, msg) = Console.print("[" + level + "] " + msg)
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fn getLevel() = "debug"
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}
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fn main(): Unit with {Console} = {
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let result = run processData(21) with {
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Logger = consoleLogger,
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}
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Console.print("Final result: " + toString(result))
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}
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let output = run main() with {}
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