[latex3-commits] [latex3/latex3] main: Add \intarray_if_exist:N(TF) (4ba62049d)

[github at latex-project.org]

Repository : https://github.com/latex3/latex3
On branch  : main
Link       : https://github.com/latex3/latex3/commit/4ba62049d3285c1811e6760672ce0406a1c4919f

>---------------------------------------------------------------

commit 4ba62049d3285c1811e6760672ce0406a1c4919f
Author: Yukai Chou <muzimuzhi at gmail.com>
Date:   Mon Apr 1 06:53:59 2024 +0800

    Add \intarray_if_exist:N(TF)


>---------------------------------------------------------------

4ba62049d3285c1811e6760672ce0406a1c4919f
 l3kernel/CHANGELOG.md   |  1 +
 l3kernel/l3intarray.dtx | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/l3kernel/CHANGELOG.md b/l3kernel/CHANGELOG.md
index 8002b8d2a..8adc810a7 100644
--- a/l3kernel/CHANGELOG.md
+++ b/l3kernel/CHANGELOG.md
@@ -9,6 +9,7 @@ this project uses date-based 'snapshot' version identifiers.
 
 ### Added
 - `\prop_(g)put_if_not_in:Nnn` (renamed from `\prop_(g)put_if_new:Nnn`)
+- `\intarray_if_exist:N(TF)`
 
 ### Changed
 - Expand object names in `\pdf_object_...` functions (issue \#1521)
diff --git a/l3kernel/l3intarray.dtx b/l3kernel/l3intarray.dtx
index 43f566c0e..5aba18857 100644
--- a/l3kernel/l3intarray.dtx
+++ b/l3kernel/l3intarray.dtx
@@ -140,6 +140,19 @@
 %   \meta{integer array} is empty, produce an error.
 % \end{function}
 %
+% \section{Integer array conditional}
+%
+% \begin{function}[pTF, added = 2024-03-31]
+%   {\intarray_if_exist:N, \intarray_if_exist:c}
+%   \begin{syntax}
+%     \cs{intarray_if_exist_p:N} \meta{intarray~var}
+%     \cs{intarray_if_exist:NTF} \meta{intarray~var} \Arg{true code} \Arg{false code}
+%   \end{syntax}
+%   Tests whether the \meta{intarray~var} is currently defined. This
+%   does not check that the \meta{intarray~var} really is an integer
+%   array variable.
+% \end{function}
+%
 % \section{Viewing integer arrays}
 %
 % \begin{function}[added = 2018-05-04]
@@ -920,6 +933,16 @@ luacmd('@@_gset_range:w', function()
 %
 % \subsection{Common parts}
 %
+% \begin{macro}[pTF]{\intarray_if_exist:N, \intarray_if_exist:c}
+%   Copies of the \texttt{cs} functions defined in \pkg{l3basics}.
+%    \begin{macrocode}
+\prg_new_eq_conditional:NNn \intarray_if_exist:N \cs_if_exist:N
+  { TF , T , F , p }
+\prg_new_eq_conditional:NNn \intarray_if_exist:c \cs_if_exist:c
+  { TF , T , F , p }
+%    \end{macrocode}
+% \end{macro}
+%
 % \begin{macro}{\intarray_show:N, \intarray_show:c, \intarray_log:N, \intarray_log:c}
 %   Convert the list to a comma list (with spaces after each comma)
 %    \begin{macrocode}