Update input_value_validators.md

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sunli 2020-04-18 12:25:05 +08:00
parent ad9cd7073c
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@ -7,7 +7,7 @@
下面时一个参数校验器,它校验`String`类型的参数`a`必须是一个合法Email或者MAC地址
```rust
use async_graphql:*;
use async_graphql::*;
use async_graphql::validators::{Email, MAC};
struct Query;