ProcedureP

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Workspace Management

Workspace Predicates

Workspace Predicates

PrimitiveP

ProcedureP name
Procedure? name


outputs TRUE if the input is the name of a procedure. Logo does not know a procedure which has not yet been loaded. It only knows the primitives at startup.

Examples:

Procedure? "fd ;true ;-) Procedure? "tree ;false ;-) tree Procedure? "tree ;true ;-)

Workspace Predicates

PrimitiveP