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Comment:TIP #508: Added link to the implementation (branch tip-508)
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SHA3-256: 8d21f71ce20d869164b0107435939eec359e3c5b00a8fcaa31797b412fd854fe
User & Date: fbonnet 2018-05-13 22:27:43.160
Context
2018-05-14
22:04
TIP #508: Initial draft complete check-in: ba804fbdae user: fbonnet tags: trunk
2018-05-13
22:27
TIP #508: Added link to the implementation (branch tip-508) check-in: 8d21f71ce2 user: fbonnet tags: trunk
20:31
TIP #425 now final check-in: 093df0a6fb user: jan.nijtmans tags: trunk
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# TIP 508: New subcommand [array default]
	Author:         Frédéric Bonnet <[email protected]>
	State:          Draft
	Type:           Project
	Vote:           
	Created:        13-May-2018
	Post-History:   
	Keywords:       Tcl,array
	Tcl-Version:	8.7
-----

# Abstract

This TIP proposes a new `[array default]` subcommand tha allows default values
for arrays, causing that value to be returned any time an attempt is made to
access an element of the array that isn't present.



# TODO
















# Copyright

This document has been placed in the public domain.














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# TIP 508: New subcommand [array default]
	Author:         Frédéric Bonnet <[email protected]>
	State:          Draft
	Type:           Project
	Vote:           
	Created:        13-May-2018
	Post-History:   
	Keywords:       Tcl,array
	Tcl-Version:	8.7
-----

# Abstract

This TIP proposes a new `[array default]` subcommand that allows default values
for arrays, causing that value to be returned any time an attempt is made to
access an element of the array that isn't present.

# Rationale

TODO

# Specification

TODO

	array default get arrayName
	array default set arrayName value
	array default exists arrayName
	array default unset arrayName

# Implementation

The proposed implementation is available on branch
[tip-508](https://core.tcl.tk/tcl/timeline?r=tip-508) in the Tcl Fossil
repository.

# Copyright

This document has been placed in the public domain.