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//// [narrowingConstrainedTypeParameter.ts]
// Repro from #10811
interface Pet {
name: string;
}
function isPet(pet: any): pet is Pet {
return typeof pet.name === "string";
}
export function speak<TPet extends Pet>(pet: TPet, voice: (pet: TPet) => string): string {
if (!isPet(pet)) {
throw new Error("Expected \"pet\" to be a Pet");
}
return voice(pet);
}
//// [narrowingConstrainedTypeParameter.js]
// Repro from #10811
"use strict";
function isPet(pet) {
return typeof pet.name === "string";
}
function speak(pet, voice) {
if (!isPet(pet)) {
throw new Error("Expected \"pet\" to be a Pet");
}
return voice(pet);
}
exports.speak = speak;
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