CASA Function: delete

Delete an element from a list or a set

Calling Sequence:

• lt := delete(e,l)
• lt := delete(e,l,"all")

Parameters:

e : expression

• expression to be deleted

l : list or set

• a list or a set.

Result:

lt : list or set

• a list or a set

Description:

• Given a list l the function removes some or all occurences of the expression e.
• If "all" is specified as the third argument, all occurences of e are removed from l. Otherwise only the first occurence is deleted.
• The result is a sublist of l with some or all occurences of e removed.

Examples:

> delete(x,[x,y,z,x]);

> delete(x,[x,y,z,x],"all");

See Also: