Next: , Previous: , Up: args predefined   [Index]


8.5.16 Validating symbols

The following bindings are exported by the library (vicare arguments validation).

Validation Clause: symbol obj

Succeed if obj is a symbol.

Validation Clause: symbol/false obj

Succeed if obj is #f or a symbol.

Validation Clause: list-of-symbols obj

Succeed if obj is a proper list whose items are symbols.