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os: update doc comment for input_opt return (#19223)

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Turiiya 2023-08-27 12:40:21 +02:00 committed by GitHub
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vlib/os/os.v
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@ -276,7 +276,7 @@ pub fn file_name(opath string) string {
}
// input_opt returns a one-line string from stdin, after printing a prompt.
// In the event of error (end of input), it returns `none`.
// Returns `none` in case of an error (end of input).
pub fn input_opt(prompt string) ?string {
print(prompt)
flush()