Name Rascal/Libraries/Prelude/Node/arity

Synopsis Determine the number of children of a node.

Function int arity(node T)

Usage import Node;

Examples

rascal>import Node;
ok
rascal>arity("f"(10, "abc"));
int: 2
rascal>arity("f"(10, "abc", false));
int: 3

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