pub fn extract_typ_mod<T>(
    name: &str,
    typ_mod: &[u64],
    val_ranges: &[(&str, T, T)],
) -> Result<Vec<T>, anyhow::Error>
where
    T: TryFrom<u64> + std::fmt::Display + Ord + PartialOrd,
{
    if typ_mod.len() > val_ranges.len() {
        bail!("invalid {} type modifier", name)
    }
    let err = |attr: &str, lower: &T, upper: &T, value: &u64| -> Result<(), anyhow::Error> {
        bail!(
            "{} for type {} must be within [{}-{}], have {}",
            attr,
            name,
            lower,
            upper,
            value,
        )
    };
    let mut r: Vec<T> = vec![];
    for (v, (attr, lower, upper)) in typ_mod.iter().zip(val_ranges.iter()) {
        match (*v).try_into() {
            Ok(c) => {
                if &c < lower || &c > upper {
                    err(attr, lower, upper, v)?
                }
                r.push(c)
            }
            Err(_) => err(attr, lower, upper, v)?,
        };
    }
    Ok(r)
}
/// Validates a PG typmod from user input and returns a vector of the supplied
/// values whose positions align with those of `val_ranges`.
///
/// # Arguments
/// - `T`: The desired type of the `typ_mod`.
/// - `name`: The name to of the type to return in error messages
/// - `typ_mod`: The user-supplied typmod
/// - `val_ranges`: Valid `typ_mod` values. Tuples are of of the form
///   `(<attribute name>, <lower bound, inclusive>, <upper bound, inclusive>)`.
Validates a PG typmod from user input and returns a vector of the supplied
values whose positions align with those of `val_ranges`.
Validates a PG typmod from user input and returns a vector of the supplied values whose positions align with those of ` val_ranges ` .
pub fn extract_typ_mod<T>(
    name: &str,
    typ_mod: &[u64],
    val_ranges: &[(&str, T, T)],
) -> Result<Vec<T>, anyhow::Error>
where
    T: TryFrom<u64> + std::fmt::Display + Ord + PartialOrd,
{
    if typ_mod.len() > val_ranges.len() {
        bail!("invalid {} type modifier", name)
    }
    let err = |attr: &str, lower: &T, upper: &T, value: &u64| -> Result<(), anyhow::Error> {
        bail!(
            "{} for type {} must be within [{}-{}], have {}",
            attr,
            name,
            lower,
            upper,
            value,
        )
    };
    let mut r: Vec<T> = vec![];
    for (v, (attr, lower, upper)) in typ_mod.iter().zip(val_ranges.iter()) {
        match (*v).try_into() {
            Ok(c) => {
                if &c < lower || &c > upper {
                    err(attr, lower, upper, v)?
                }
                r.push(c)
            }
            Err(_) => err(attr, lower, upper, v)?,
        };
    }
    Ok(r)
}
pub fn extract_typ_mod < T > ( name : & str , typ_mod : & [ u64 ] , val_ranges : & [ ( & str , T , T ) ] , ) -> Result < Vec < T > , anyhow :: Error > where T : TryFrom < u64 > + std :: fmt :: Display + Ord + PartialOrd , { if typ_mod . len ( ) > val_ranges . len ( ) { bail ! ( " " name ) } let err = | attr : & str , lower : & T , upper : & T , value : & u64 | -> Result < ( ) , anyhow :: Error > { bail ! ( " " attr name lower upper value ) } ; let mut r : Vec < T > = vec ! [ ] ; for ( v , ( attr , lower , upper ) ) in typ_mod . iter ( ) . zip ( val_ranges . iter ( ) ) { match ( * v ) . try_into ( ) { Ok ( c ) => { if & c < lower || & c > upper { err ( attr , lower , upper , v ) ? } r . push ( c ) } Err ( _ ) => err ( attr , lower , upper , v ) ? , } ; } Ok ( r ) }
Validates a PG typmod from user input and returns a vector of the supplied
values whose positions align with those of `val_ranges`.
Validates a PG typmod from user input and returns a vector of the supplied values whose positions align with those of ` val_ranges ` .
name
&str
typ_mod
&[u64]
val_ranges
&[(&str, T, T)]
name
&str
The name to of the type to return in error messages
The name to of the type to return in error messages
typ_mod
&[u64]
The user-supplied typmod
The user - supplied typmod
val_ranges
&[(&str, T, T)]
Valid `typ_mod` values. Tuples are of of the form
`(, , )`.
Valid ` typ_mod ` values . Tuples are of of the form ` ( ) ` .
T
The desired type of the `typ_mod`.
The desired type of the ` typ_mod ` .