presto-main/src/main/java/io/prestosql/operator/scalar/ZipFunction.java/ZipFunction/ZipFunction
class ZipFunction:    private ZipFunction(List<String> typeParameters)
    {
        super(new FunctionMetadata(
                new Signature(
                        "zip",
                        typeParameters.stream().map(Signature::typeVariable).collect(toImmutableList()),
                        ImmutableList.of(),
                        arrayType(rowType(typeParameters.stream()
                                .map(TypeSignature::new)
                                .map(TypeSignatureParameter::anonymousField)
                                .collect(toImmutableList()))),
                        typeParameters.stream()
                                .map(name -> arrayType(new TypeSignature(name)))
                                .collect(toImmutableList()),
                        false),
                false,
                nCopies(typeParameters.size(), new FunctionArgumentDefinition(false)),
                false,
                true,
                "Merges the given arrays, element-wise, into a single array of rows.",
                SCALAR));
        this.typeParameters = typeParameters;
    }