pub fn name(
  constructor: Constructor(construct_to, args, generics),
) -> String

pub fn to_expression0(
  constructor: Constructor(construct_to, #(), generics),
) -> expression.Expression(
  fn() -> custom.CustomType(construct_to, generics),
)

pub fn to_expression1(
  constructor: Constructor(construct_to, #(#(), a), generics),
) -> expression.Expression(
  fn(a) -> custom.CustomType(construct_to, generics),
)

pub fn to_expression2(
  constructor: Constructor(
    construct_to,
    #(#(#(), a), b),
    generics,
  ),
) -> expression.Expression(
  fn(a, b) -> custom.CustomType(construct_to, generics),
)

pub fn to_expression3(
  constructor: Constructor(
    construct_to,
    #(#(#(#(), a), b), c),
    generics,
  ),
) -> expression.Expression(
  fn(a, b, c) -> custom.CustomType(construct_to, generics),
)

pub fn to_expression4(
  constructor: Constructor(
    construct_to,
    #(#(#(#(#(), a), b), c), d),
    generics,
  ),
) -> expression.Expression(
  fn(a, b, c, d) -> custom.CustomType(construct_to, generics),
)

pub fn to_expression5(
  constructor: Constructor(
    construct_to,
    #(#(#(#(#(#(), a), b), c), d), e),
    generics,
  ),
) -> expression.Expression(
  fn(a, b, c, d, e) -> custom.CustomType(construct_to, generics),
)

pub fn to_expression6(
  constructor: Constructor(
    construct_to,
    #(#(#(#(#(#(#(), a), b), c), d), e), f),
    generics,
  ),
) -> expression.Expression(
  fn(a, b, c, d, e, f) -> custom.CustomType(
    construct_to,
    generics,
  ),
)

pub fn to_expression7(
  constructor: Constructor(
    construct_to,
    #(#(#(#(#(#(#(#(), a), b), c), d), e), f), g),
    generics,
  ),
) -> expression.Expression(
  fn(a, b, c, d, e, f, g) -> custom.CustomType(
    construct_to,
    generics,
  ),
)

pub fn to_expression8(
  constructor: Constructor(
    construct_to,
    #(#(#(#(#(#(#(#(#(), a), b), c), d), e), f), g), h),
    generics,
  ),
) -> expression.Expression(
  fn(a, b, c, d, e, f, g, h) -> custom.CustomType(
    construct_to,
    generics,
  ),
)

pub fn to_expression9(
  constructor: Constructor(
    construct_to,
    #(#(#(#(#(#(#(#(#(#(), a), b), c), d), e), f), g), h), i),
    generics,
  ),
) -> expression.Expression(
  fn(a, b, c, d, e, f, g, h, i) -> custom.CustomType(
    construct_to,
    generics,
  ),
)

pub fn to_expression_dynamic(
  constructor: Constructor(construct_to, args, generics),
) -> expression.Expression(a)

pub fn unsafe_convert(
  constructor: Constructor(
    construct_to,
    original_variants,
    original_generics,
  ),
) -> Constructor(construct_to, new_variants, new_generics)