aws_sdk_connect/protocol_serde/
shape_channel_to_count_map.rs1pub(crate) fn de_channel_to_count_map<'a, I>(
3 tokens: &mut ::std::iter::Peekable<I>,
4 _value: &'a [u8],
5) -> ::std::result::Result<Option<::std::collections::HashMap<crate::types::Channel, i32>>, ::aws_smithy_json::deserialize::error::DeserializeError>
6where
7 I: Iterator<Item = Result<::aws_smithy_json::deserialize::Token<'a>, ::aws_smithy_json::deserialize::error::DeserializeError>>,
8{
9 match tokens.next().transpose()? {
10 Some(::aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
11 Some(::aws_smithy_json::deserialize::Token::StartObject { .. }) => {
12 let mut map = ::std::collections::HashMap::new();
13 loop {
14 match tokens.next().transpose()? {
15 Some(::aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
16 Some(::aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
17 let key = key.to_unescaped().map(|u| crate::types::Channel::from(u.as_ref()))?;
18 let value = ::aws_smithy_json::deserialize::token::expect_number_or_null(tokens.next())?
19 .map(i32::try_from)
20 .transpose()?;
21 match value {
22 Some(value) => {
23 map.insert(key, value);
24 }
25 None => {
26 return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
27 "dense map cannot contain null values",
28 ))
29 }
30 }
31 }
32 other => {
33 return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
34 "expected object key or end object, found: {other:?}"
35 )))
36 }
37 }
38 }
39 Ok(Some(map))
40 }
41 _ => Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
42 "expected start object or null",
43 )),
44 }
45}