exp, printing the result(s) and making them (or a list of them, if
expreturns multiple results) the new focus object. The
,runcommand is useful when writing command programs.
name, not the behavior of the procedure that is its current value.
Nameis redefined to be a procedure that prints a message, calls the original value of
name, prints another message, and finally passes along the value(s) returned by the original procedure.
,conditioncommand displays the condition object describing the error or interrupt that initiated the current command level. The condition object becomes the current focus value. This is particularly useful in conjunction with the inspector. For example, if a procedure is passed the wrong number of arguments, do
,inspectto inspect the procedure and its arguments.
name, if there is one, and otherwise prints `
form, if any.
,expandperforms a single macro expansion while
,expand-allfully expands all macros in
procedure's source code.
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