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author | Karl Berry <karl@freefriends.org> | 2019-02-28 15:11:56 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2019-02-28 15:11:56 +0000 |
commit | cc17ad601696f5cf966c8a0b9d79144cd42828a6 (patch) | |
tree | f6007b9b2f886d942f9b30b4797e8718001f65bd /Master/texmf-dist/tex/context/base/mkiv/syst-lua.mkiv | |
parent | e298746bb92cdf7e87bc3b5b9bd973b6c429a47f (diff) |
context for tl19
git-svn-id: svn://tug.org/texlive/trunk@50165 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/context/base/mkiv/syst-lua.mkiv')
-rw-r--r-- | Master/texmf-dist/tex/context/base/mkiv/syst-lua.mkiv | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/mkiv/syst-lua.mkiv b/Master/texmf-dist/tex/context/base/mkiv/syst-lua.mkiv index ca5f9679ff8..3600dac3460 100644 --- a/Master/texmf-dist/tex/context/base/mkiv/syst-lua.mkiv +++ b/Master/texmf-dist/tex/context/base/mkiv/syst-lua.mkiv @@ -19,6 +19,42 @@ \def\expdoif #1#2{\clf_doifsame {#1}{#2}} \def\expdoifnot #1#2{\clf_doifnotsame {#1}{#2}} +%D Here is variant using a brainwave of the 12\high{+} hour \quotation {Long Road +%D Out of Eden}\footnote {Eden being Backo\TeX\ 2018, where the virtues of the \type +%D {\expanded} primitive were mentioned in talks.} trip. For now I don't really see +%D other useful applications. + +\ifdefined\immediateassignment + + \def\expandeddoif#1#2% + {\immediateassignment\edef\m_syst_string_one{#1}% + \immediateassignment\edef\m_syst_string_two{#2}% + \ifx\m_syst_string_one\m_syst_string_two + \expandafter\firstofoneargument + \else + \expandafter\gobbleoneargument + \fi} + + \def\expandeddoifnot#1#2% + {\immediateassignment\edef\m_syst_string_one{#1}% + \immediateassignment\edef\m_syst_string_two{#2}% + \ifx\m_syst_string_one\m_syst_string_two + \expandafter\gobbleoneargument + \else + \expandafter\firstofoneargument + \fi} + + \def\expandeddoifelse#1#2% + {\immediateassignment\edef\m_syst_string_one{#1}% + \immediateassignment\edef\m_syst_string_two{#2}% + \ifx\m_syst_string_one\m_syst_string_two + \expandafter\firstoftwoarguments + \else + \expandafter\secondoftwoarguments + \fi} + +\fi + % \testfeatureonce{100000}{\doifelse{hello world}{here i am}{}} % 0.3 % \testfeatureonce{100000}{\expandabledoifelse{hello world}{here i am}{}} % 1.5 |