Index - U
| unaryOp | Language.Scheme.Primitives |
| unaryOp' | Language.Scheme.Primitives |
| UnboundVar | Language.Scheme.Types |
| unpackBool | Language.Scheme.Primitives |
| unpackEquals | Language.Scheme.Primitives |
| unpackNum | Language.Scheme.Numerical |
| unpackStr | Language.Scheme.Primitives |
| updateByteVector | Language.Scheme.Core |
| updateList | Language.Scheme.Core |
| updateNamespacedObject | Language.Scheme.Variables |
| updateObject | Language.Scheme.Variables |
| updateVector | Language.Scheme.Core |