Enum CopyChildren 

pub enum CopyChildren {
    All,
    Skip,
    Map(Vec<(Token, Token)>),
}

What copy_spec_with does with one namespace-children field.

Variants

All

Recurse into every child under its own name.

Skip

Do not recurse into this children field.

Map(Vec<(Token, Token)>)

Recurse into these (source name, destination name) children, in order.