EmptyCursor

The value at the position represented by this Cursor.

Yields a copy of this Cursor with the supplied additional environment values.

Yield the value at this Cursor as a value of type T if possible, an error or the left hand side otherwise.

Yield the value at this Cursor rendered as Json if it is of a scalar or enum type, an error or the left hand side otherwise.

Yield a collection of Cursors corresponding to the elements of the value at this Cursor if it is of a list type, or an error or the left hand side otherwise.

Yield a list of Cursors corresponding to the elements of the value at this Cursor if it is of a list type, or an error or the left hand side otherwise.

Yield an optional Cursors corresponding to the value at this Cursor if it is of a nullable type, or an error on the left hand side otherwise. The resulting Cursor will be present iff the current value is present in the model.

Yields the value of the supplied environment key, if any.

Yields the value of the supplied environment key, if any, or an error if none.

Yield a Cursor corresponding to the value of the field fieldName of the value at this Cursor, or an error on the left hand side if there is no such field.

Yield the value of the field fieldName of this Cursor as a value of type T if possible, an error or the left hand side otherwise.

Yield a list of Cursors corresponding to the values generated by following the path fns from the value at this Cursor, or an error on the left hand side if there is no such path. If the field at the end of the path is a list then yield the concatenation of the lists of cursors corresponding to the field elements.

Yields the cumulative environment defined at this Cursor.

Does the value at this Cursor have a field named fieldName?

Does the value at this Cursor generate a list along the path fns?

true if fns is a valid path from the value at this Cursor and passes through at least one field with a list type.

Does the value at this Cursor have a field identified by the path fns?

Yields whether or not this Cursor is defined if it is of a nullable type, or an error otherwise.

Is the value at this Cursor of a scalar or enum type?

Is the value at this Cursor of a list type?

True if this cursor is nullable and null, false otherwise.

Is the value at this Cursor of a nullable type?

Yield a list of Cursors corresponding to the values generated by following the path fns from the value at this Cursor, or an error on the left hand side if there is no such path.

Yields the number of elements of this Cursor if it is of a list type, or an error otherwise.

Yield a Cursor corresponding to the value at this Cursor narrowed to type subtpe, or an error on the left hand side if such a narrowing is not possible.

Is the value at this Cursor narrowable to subtpe?

Yield a Cursor corresponding to the value of the possibly nullable field fieldName of the value at this Cursor, or an error on the left hand side if there is no such field.

Does the possibly nullable value at this Cursor have a field named fieldName?

Yield a Cursor corresponding to the value of the field identified by path fns starting from the value at this Cursor, or an error on the left hand side if there is no such field.

The selection path from the root

Yield a Cursor which can be used to evaluate the antecedant of a Unique operation.

The selection path from the root modified by query aliases.

The GraphQL type of the value at the position represented by this Cursor.