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Cello High Level C

Methods

push

void push(var self, var obj);

Push the object obj onto the top of object self.

pop

void pop(var self);

Pop the top item from the object self.

push_at

void push_at(var self, var obj, var key);

Push the object obj onto the object self at a given key.

pop_at

void pop_at(var self, var key);

Pop the object from the object self at a given key.

Examples

Usage

var x = new(Array, Int);

push(x, $I( 0));
push(x, $I( 5));
push(x, $I(10));

show(get(x, $I(0))); /*  0 */
show(get(x, $I(1))); /*  5 */
show(get(x, $I(2))); /* 10 */

pop_at(x, $I(1));

show(get(x, $I(0))); /*  0 */
show(get(x, $I(1))); /* 10 */

Push


Pushable and Popable object

The Push class provides an interface for the addition and removal of objects from another in a positional sense.

push can be used to add new objects to a collection and pop to remove them. Usage of push can require assign to be defined on the argument.

Definition

struct Push {
  void (*push)(var, var);
  void (*pop)(var);
  void (*push_at)(var, var, var);
  void (*pop_at)(var, var);
};

Implementers

  • Array |     Sequential Container
  • List |     Linked List
  • Tuple |     Basic Collection

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