azure_core/request_options/
max_results.rs

1use crate::{AppendToUrlQuery, Url};
2use std::num::NonZeroU32;
3
4// This type forbids zero as value.
5// Zero is invalid in Azure and would throw an error if specified.
6// Azure has a soft cap on 5k. There is no harm to go over but maybe
7// we should inform the user that they are specifing a value outside
8// the allowed range. Right now we simply ignore it.
9#[derive(Debug, Clone, Copy, PartialEq, PartialOrd, Eq, Ord)]
10pub struct MaxResults(NonZeroU32);
11
12impl MaxResults {
13    pub fn new(max_results: NonZeroU32) -> Self {
14        Self(max_results)
15    }
16}
17
18impl AppendToUrlQuery for MaxResults {
19    fn append_to_url_query(&self, url: &mut Url) {
20        url.query_pairs_mut()
21            .append_pair("maxresults", &format!("{}", self.0));
22    }
23}
24
25impl From<NonZeroU32> for MaxResults {
26    fn from(max_results: NonZeroU32) -> Self {
27        Self::new(max_results)
28    }
29}
30
31impl TryFrom<u32> for MaxResults {
32    type Error = String;
33
34    fn try_from(max_results: u32) -> Result<Self, Self::Error> {
35        match NonZeroU32::new(max_results) {
36            Some(max_results) => Ok(max_results.into()),
37            None => Err(format!(
38                "number {max_results} is not a valid NonZeroU32 value"
39            )),
40        }
41    }
42}
azure_core/request_options/max_results.rs

azure_core/request_options/
max_results.rs
