Class Slot

Always returns 0 because a Field can't be a Record, so it can't contain any members.

Always returns undefined because a Field can't be a Record, so it can't have a first member Attr whose key string could be returned.

Always returns the value component of this Field.

Always returns [[Absent]] because a Field can't be a Record, so it can't have any non-first members to flatten, and because a Field isn't a distinct Value, so it can't return Extant.

Converts the value of this Field into a boolean value, if possible.

Throws

Error if the value of this Field can't be converted into a boolean value.

Converts the value of this Field into a boolean value, if possible; otherwise returns orElse if the value of this Field can't be converted into a boolean value.

Always returns [[Absent]] because a Field can't be flattened into a Value.

Always returns [[Absent]] because a Field can't be a Record, so it can't have a Field member whose key is equal to the given key.

Always returns [[Absent]] because a Field can't be a Record, so it can't have an Attr member whose key is equal to the given key.

Always returns undefined because a Field can't be a Record, so it can't have a Field member whose key is equal to the given key.

Always returns [[Absent]] because a Field can't be a Record, so it can't have a member at the given index.

Always returns [[Absent]] because a Field can't be a Record, so it can't have a Slot member whose key is equal to the given key.

Always returns false because a Field can't be a Record, so it can't have a Field member whose key is equal to the given key.

Always returns [[Absent]] because a Field can't be a Record, so it can't have a first member.

Always returns [[Absent]] because a Field can't be a Record, so it can't have a head Attr whose value could be returned if its key were equal to the tag.

Always returns undefined because a Field can't be a Record, so it can't have a head Attr whose value could be returned as a Record if its key were equal to the tag.

Always returns true because a Field can never be [[Absent]].

Always returns true because a Field cannot be one of: an empty Record, False, Extant, or Absent.

Always returns true because a Field can be neither [[Extant]] nor [[Absent]].

Converts the value of this Field into a number value, if possible.

Throws

Error if the value of this Field can't be converted into a number value.

Converts the value of this Field into a number value, if possible; otherwise returns orElse if the value of this Field can't be converted into a number value.

Converts the value of this Field into a string value, if possible.

Throws

Error if the value of this Field can't be converted into a string value.

Converts the value of this Field into a string value, if possible; otherwise returns orElse if the value of this Field can't be converted into a string value.

Always returns an empty Record because a Field can't itself be a Record, so it can't have any non-first members.

Returns the value component of this Field.

Returns a Record containing just this Field.