async-graphql 0.5.0

The GraphQL server library implemented by rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

use crate::{Result, Scalar, Value};

impl Scalar for bool {
    fn type_name() -> &'static str {
        "Boolean"
    }

    fn description() -> Option<&'static str> {
        Some("The `Boolean` scalar type represents `true` or `false`.")
    }

    fn parse(value: Value) -> Option<Self> {
        match value {
            Value::Boolean(n) => Some(n),
            _ => None,
        }
    }

    fn parse_from_json(value: serde_json::Value) -> Option<Self> {
        match value {
            serde_json::Value::Bool(n) => Some(n),
            _ => None,
        }
    }

    fn to_json(&self) -> Result<serde_json::Value> {
        Ok((*self).into())
    }
}