e049ec3456
* [Flow] Function predicate declaration
The accepted syntax for function declarations is extended to allow
the following predicate declaration:
FunctionReturnType :=
Type
Predicate
Type Predicate
Predicate :=
%checks
%checks ( ConditionalExpression )
* [Flow] Minor tweaks and more examples to function predicates
* [Flow] Clean-up and better message for function predicates
* [Flow] Adding abstract function predicate example
* [Flow] Rearranging the `predicate` field to ease babel generator.
2 lines
54 B
JavaScript
2 lines
54 B
JavaScript
var f = (x: mixed): %checks => typeof x === "string";
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