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Simple [TypeScript assertion](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#assertion-functions) functions:
Downloads
5
Simple TypeScript assertion functions:
asserts.string(val); // val is any
val; // val is stringasserts.string(val, 'Expected val to be string, saw '); // val is any
val; // val is string