msg_tool\utils/
num_range.rs

1//! Functions for parsing numbers within a range.
2/// Check if a value is within the specified range.
3pub fn check_range<T>(val: T, min: T, max: T) -> Result<T, String>
4where
5    T: PartialOrd,
6    T: std::fmt::Display,
7{
8    if val < min {
9        return Err(format!("Value {} is less than minimum {}", val, min));
10    } else if val > max {
11        return Err(format!("Value {} is greater than maximum {}", val, max));
12    }
13    Ok(val)
14}
15
16/// Parse a number from a string and check if it is within the specified range.
17pub fn number_range<T>(s: &str, min: T, max: T) -> Result<T, String>
18where
19    T: std::str::FromStr,
20    <T as std::str::FromStr>::Err: std::fmt::Display,
21    T: PartialOrd,
22    T: std::fmt::Display,
23{
24    debug_assert!(min <= max, "min should be less than or equal to max");
25    let val = s.parse::<T>().map_err(|e| format!("{}", e))?;
26    check_range(val, min, max)
27}
msg_tool\utils/num_range.rs

msg_tool\utils/
num_range.rs
