v::emoji()->assert('🍕');
// Validation passes successfully

v::emoji()->assert('🎈');
// Validation passes successfully

v::emoji()->assert('⚡');
// Validation passes successfully

v::emoji()->assert('🌊🌊🌊🌊🌊🏄🌊🌊🌊🏖🌴');
// Validation passes successfully

v::emoji()->assert('🇧🇷'); // (Country flags)
// Validation passes successfully

v::emoji()->assert('👨‍👩‍👧‍👦'); // (ZWJ sequence)
// Validation passes successfully

v::emoji()->assert('👩🏽'); // (Skin tone modifier)
// Validation passes successfully

v::emoji()->assert('1️⃣'); // (Keycap sequence)
// Validation passes successfully

v::emoji()->assert('Hello World');
// → "Hello World" must be an emoji

v::emoji()->assert('this is a spark ⚡'); // (Mixed content)
// → "this is a spark ⚡" must be an emoji