# Type names

<?php
function a(): A {}
function b(): A\B {}

==>

Template(
  TextInterpolation(PhpOpen),
  FunctionDefinition(function,
    Name, ParamList,
    NamedType(Name),
    Block),
  FunctionDefinition(function,
    Name, ParamList,
    NamedType(QualifiedName(NamespaceName(Name), Name)),
    Block))

# Primitive types

<?php
function a(): int {}
function b(): callable {}
function c(): iterable {}

==>

Template(
  TextInterpolation(PhpOpen),
  FunctionDefinition(function,
    Name, ParamList,
    NamedType(Name),
    Block),
  FunctionDefinition(function,
    Name, ParamList,
    NamedType(Name),
    Block),
  FunctionDefinition(function,
    Name, ParamList,
    NamedType(Name),
    Block))

# Optional types

<?php

function a(): ?array {}
function b(): ?Something {}

==>

Template(
  TextInterpolation(PhpOpen),
  FunctionDefinition(function,
    Name, ParamList,
    OptionalType(LogicOp, NamedType(array)),
    Block),
  FunctionDefinition(function,
    Name, ParamList,
    OptionalType(LogicOp, NamedType(Name)),
    Block))

# Union types

<?php

function a(int|string|null $var) : ?int|MyClass {}

==>

Template(
  TextInterpolation(PhpOpen),
  FunctionDefinition(function,
    Name,
    ParamList(
      Parameter(
        UnionType(NamedType(Name),LogicOp,NamedType(Name),LogicOp,NamedType(null)),
        VariableName)),
    UnionType(OptionalType(LogicOp, NamedType(Name)),LogicOp,NamedType(Name)),
    Block))

# Mixed type

<?php

function a(mixed|string $var) : mixed {

}
==>

Template(
  TextInterpolation(PhpOpen),
  FunctionDefinition(function,
    Name,
    ParamList(
      Parameter(
        UnionType(NamedType(Name),LogicOp,NamedType(Name)),
        VariableName
      )
    ),
    NamedType(Name),
    Block
  )
)

# Static type

<?php

function a(string $var) : static {

}

==>

Template(
  TextInterpolation(PhpOpen),
  FunctionDefinition(function,
    Name,
    ParamList(
      Parameter(NamedType(Name),VariableName)),
    NamedType(Name),
    Block))