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Comment:Add a bit more info in TIP #544 (Tcl_GetIntForIndex)
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SHA3-256: f4674a9689f4851373d63d854d2d5e5bc21bc88381aa6f3690ac0f8bcc252cc4
User & Date: fvogel 2019-05-15 19:50:52
Context
2019-05-15
19:59
Fix typo in TIP #544 check-in: ac5cfc51fd user: fvogel tags: trunk
19:50
Add a bit more info in TIP #544 (Tcl_GetIntForIndex) check-in: f4674a9689 user: fvogel tags: trunk
14:50
Minor generation improvement: generate togglers in consistant (alphabetical) order. check-in: 7835ed0cbc user: jan.nijtmans tags: trunk
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{"tip": {
	"544":{"url":"./tip/544.md","keywords":"Tcl","":"","state":"Draft","type":"Project","author":["Jan Nijtmans <dgp@users.sourceforge.net>"],"created":"15-May-2019","title":"# TIP 543: Export TclGetIntForIndex()","post-history":"","tcl-version":"8.7","vote":"Pending","tcl-branch":"tip-544","discussions-to":"Tcl Core list","is-jest":false},
	"543":{"url":"./tip/543.md","keywords":"Tcl, traces","created":"10-May-2019","post-history":"","state":"Draft","vote":"Pending","tcl-version":"9.0","type":"Project","title":"# TIP 543: Eliminate TCL\\_INTERP\\_DESTROYED flag value","author":["Don Porter <[email protected]>"],"is-jest":false},
	"542":{"url":"./tip/542.md","keywords":"Tcl","created":"10-May-2019","post-history":"","state":"Draft","tcl-branch":"utf-max","tcl-version":"8.7","vote":"Pending","type":"Project","title":"# TIP 542: New encodings: UTF-16, UCS-2, Support for switchable (Androwish-compatible) Full Unicode support.","discussions-to":"Tcl Core list","author":["Jan Nijtmans <[email protected]>","Jan Nijtmans <[email protected]>"],"is-jest":false},
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................................................................................
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	"@max": 544
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{"tip": {
	"544":{"url":"./tip/544.md","keywords":"Tcl","":"","state":"Draft","type":"Project","author":["Jan Nijtmans <jan.nijtmans@users.sf.net>","Francois Vogel <[email protected]>"],"created":"15-May-2019","title":"# TIP 543: Export TclGetIntForIndex()","post-history":"","tcl-version":"8.7","vote":"Pending","tcl-branch":"tip-544","discussions-to":"Tcl Core list","is-jest":false},
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	"542":{"url":"./tip/542.md","keywords":"Tcl","created":"10-May-2019","post-history":"","state":"Draft","tcl-branch":"utf-max","tcl-version":"8.7","vote":"Pending","type":"Project","title":"# TIP 542: New encodings: UTF-16, UCS-2, Support for switchable (Androwish-compatible) Full Unicode support.","discussions-to":"Tcl Core list","author":["Jan Nijtmans <[email protected]>","Jan Nijtmans <[email protected]>"],"is-jest":false},
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	"540":{"url":"./tip/540.md","keywords":"Tcl, Unix, pipeline","created":"03-May-2019","post-history":"","state":"Draft","vote":"Pending","tcl-version":"8.7","type":"Project","title":"# TIP 540: Add -signal Channel Configure Option to POSIX Pipes","author":["Donal K. Fellows <[email protected]>"],"is-jest":false},
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	"@min": 0,
	"@max": 544
}, "@timestamp": 1557949792}

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# TIP 543: Export TclGetIntForIndex()
	Author:         Jan Nijtmans <dgp@users.sourceforge.net>

	State:          Draft
	Type:           Project
	Tcl-Version:    8.7
	Vote:           Pending
	Created:        15-May-2019
	Post-History:
	Discussions-To: Tcl Core list
................................................................................

  * int Tcl\_GetIntForIndex(Tcl\_Interp *interp, Tcl\_Obj *objPtr,
	    size\_t endValue, size\_t *indexPtr)

# Rationale

This function can be used for extensions to parse indexes like
"end-5", "12+1" ... See [TIP 502: Index Value Reform](502.md)







# Compatibility

This is fully upwards compatible with Tcl 8.6.

# Reference Implementation

Available on branch [tip-544](https://core.tcl-lang.org/tcl/timeline?t=tip-544).

# Copyright

This document has been placed in the public domain.
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# TIP 543: Export TclGetIntForIndex()
	Author:         Jan Nijtmans <jan.nijtmans@users.sf.net>
	Author:         Francois Vogel <[email protected]>
	State:          Draft
	Type:           Project
	Tcl-Version:    8.7
	Vote:           Pending
	Created:        15-May-2019
	Post-History:
	Discussions-To: Tcl Core list
................................................................................

  * int Tcl\_GetIntForIndex(Tcl\_Interp *interp, Tcl\_Obj *objPtr,
	    size\_t endValue, size\_t *indexPtr)

# Rationale

This function can be used for extensions to parse indexes like
"end-5", "12+1" ... See [TIP 502: Index Value Reform](502.md) and
[TIP 176: Add String index Values](176.md).

Use case  in Tk: see
[Tcl-core list discussion](http://code.activestate.com/lists/tcl-core/20663/)
of
[TIP 541: Add support for 'end' index in ttk::combobox current](176.md).

# Compatibility

This is fully upwards compatible with Tcl 8.6.

# Reference Implementation

Available on branch [tip-544](https://core.tcl-lang.org/tcl/timeline?t=tip-544).

# Copyright

This document has been placed in the public domain.