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use std::borrow::Cow;
use std::collections::VecDeque;
use crate::parser::types::Field;
use crate::resolver_utils::resolve_list;
use crate::{
registry, ContextSelectionSet, InputType, InputValueError, InputValueResult, OutputType,
Positioned, ServerResult, Type, Value,
};
impl<T: Type> Type for VecDeque<T> {
fn type_name() -> Cow<'static, str> {
Cow::Owned(format!("[{}]", T::qualified_type_name()))
}
fn qualified_type_name() -> String {
format!("[{}]!", T::qualified_type_name())
}
fn create_type_info(registry: &mut registry::Registry) -> String {
T::create_type_info(registry);
Self::qualified_type_name()
}
}
impl<T: InputType> InputType for VecDeque<T> {
fn parse(value: Option<Value>) -> InputValueResult<Self> {
match value.unwrap_or_default() {
Value::List(values) => values
.into_iter()
.map(|value| InputType::parse(Some(value)))
.collect::<Result<_, _>>()
.map_err(InputValueError::propagate),
value => Ok({
let mut result = Self::default();
result
.push_back(InputType::parse(Some(value)).map_err(InputValueError::propagate)?);
result
}),
}
}
fn to_value(&self) -> Value {
Value::List(self.iter().map(InputType::to_value).collect())
}
}
#[async_trait::async_trait]
impl<T: OutputType> OutputType for VecDeque<T> {
async fn resolve(
&self,
ctx: &ContextSelectionSet<'_>,
field: &Positioned<Field>,
) -> ServerResult<Value> {
resolve_list(ctx, field, self, Some(self.len())).await
}
}