decorator_int.mdx

id	keywords	name	summary	category
int-decorator	int decorator	@int	This is the `@int` decorator.	decorators

The @int decorator can be used with polymorphic variants and the @as decorator on externals to modify the compiled JavaScript to use integers for the values instead of strings.

Example

<CodeTab labels={["ReScript", "JS Output"]}>

@val external setStatus: @int[
  @as(0) #NotStarted |
  @as(1) #Started |
  @as(2) #Done 
] => unit = "setStatus"

setStatus(#Done)

setStatus(2);

References

• Constrain Arguments Better