23 lines
581 B
Gleam
23 lines
581 B
Gleam
import gleam/int
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import gleam/io
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pub fn safe_div(a, b: Int) -> Result(Int, Nil) {
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case b {
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0 -> Error(Nil)
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_ -> Ok(a / b)
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}
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}
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pub fn main() {
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// In Gleam division by 0 is not an error and returns 0.
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// But we can make a safe_div function if we desire.
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case safe_div(10, 5) {
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Error(Nil) -> io.print_error("Division by zero")
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Ok(d) -> io.println("result of division is " <> d |> int.to_string)
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}
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case safe_div(10, 0) {
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Error(Nil) -> io.print_error("Division by zero")
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Ok(d) -> io.println("result of division is " <> d |> int.to_string)
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}
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}
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