ErrorHandler is a handler which returns an error.

NewReader creates a new reader for the given io reader.

NewStandardReader returns a reader which supports a set of given types.

WithRestrictedTypes registeres an unknown handler that errors out only if the key is outside the given list.

WithType adds a new `Handler` to the `Reader`, denoted by the key and descriptive name.

WithUnknown adds a new `Handler` to the `Reader` for unknown lines/token types.

StandardSet is the standard set of wavefront object types.

A Face is a list of points.

A Normal is a vertex normal.

An Object is the toplevel loadable object.

A Point is a single point on a face.

A TextureCoord defines a texture coordinate.

Vertex represents a OBJ Vertex.

Reader is responsible for reading the Object.

A Handler is a handler for a given line.

A ReaderOption is a functional option which updates the reader object.