Returns the var or Class to which a symbol will be resolved in the namespace (unless found in the environment), else nil. Note that if the symbol is fully qualified, the var/Class to which it resolves need not be present in the namespace.
Returns an instance of java.util.regex.Matcher, for use, e.g. in re-find.
Returns a lazy seq of the intermediate values of the reduction (as per reduce) of coll by f, starting with init.
Returns the match, if any, of string to pattern, using java.util.regex.Matcher.matches(). Uses re-groups to return the groups.
Like read, and taking the same args. stream must be a LineNumberingPushbackReader. Returns a vector containing the object read and the (whitespace-trimmed) string read.
Sets the value of atom to newval. Returns [old new], the value of the atom before and after the reset.
Returns true if coll implements Reversible