leo/docs/error-guides/parser/test_function.md
2022-02-28 09:42:37 -08:00

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# `test function` is deprecated
## Example
This error occurs when a function is prefixed with `test`.
Erroneous code example:
```js
test function foo() {
// logic...
}
```
The compiler will reject this code with, for example...:
```js
Error [EPAR0370016]: "test function..." is deprecated. Did you mean @test annotation?
--> test.leo:1:1
|
1 | test function foo() {
| ^^^^
```
## Solution
The `test function` syntax is deprecated, but you can achieve the same result with `@test function`:
```js
@test
function foo() {
// logic...
}
```