Tcl Library Source Code

EuroTcl/OpenACS 11 - 12 JULY 2024, VIENNA

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struct::stack - Create and manipulate stack objects

Table Of Contents


package require Tcl 8.5 9
package require struct::stack ?1.5.4?

stackName option ?arg arg ...?
stackName clear
stackName destroy
stackName get
stackName getr
stackName peek ?count?
stackName peekr ?count?
stackName trim ?newsize?
stackName trim* ?newsize?
stackName pop ?count?
stackName push item ?item...?
stackName size


The ::struct namespace contains a commands for processing finite stacks.

It exports a single command, ::struct::stack. All functionality provided here can be reached through a subcommand of this command.

Note: As of version 1.3.3 of this package a critcl based C implementation is available. This implementation however requires Tcl 8.4 to run.

The ::struct::stack command creates a new stack object with an associated global Tcl command whose name is stackName. This command may be used to invoke various operations on the stack. It has the following general form:

Bugs, Ideas, Feedback

This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category struct :: stack of the Tcllib Trackers. Please also report any ideas for enhancements you may have for either package and/or documentation.

When proposing code changes, please provide unified diffs, i.e the output of diff -u.

Note further that attachments are strongly preferred over inlined patches. Attachments can be made by going to the Edit form of the ticket immediately after its creation, and then using the left-most button in the secondary navigation bar.


graph, matrix, queue, tree


Data structures