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% Packages
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\usepackage{multicol}           % Allows multicols in tables
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\usepackage{hhline}             % Border under tables
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%\usepackage[utf8x]{inputenc}    % For unicode character support
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\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{anhduc.nguyen}
\pdfinfo{
  /Title (pharo-smalltalk-syntax.pdf)
  /Creator (Cheatography)
  /Author (anhduc.nguyen)
  /Subject (Pharo Smalltalk syntax Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
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% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Pharo Smalltalk syntax Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{anhduc.nguyen} via \textcolor{DarkBackground}{\uline{cheatography.com/109746/cs/35850/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}anhduc.nguyen \\
  \uline{cheatography.com/anhduc-nguyen} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 11th February, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{4.48 cm} x{3.52 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Syntax element}}  \tn
% Row 0
\SetRowColor{LightBackground}
startPoint & a variable name \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Transcript & a global variable \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
self, super, nil, true, true, false, thisContext & pseudo variable \tn 
% Row Count 5 (+ 3)
% Row 3
\SetRowColor{white}
1 & decimal integer \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
2r101 & binary integer \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
1.5 & floating point number \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
2.4e7 & number in exponential notation \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
\$a & the character 'a' \tn 
% Row Count 12 (+ 1)
% Row 8
\SetRowColor{LightBackground}
'Hello' & the string 'Hello' \tn 
% Row Count 14 (+ 2)
% Row 9
\SetRowColor{white}
\#Hello & the symbol \#Hello \tn 
% Row Count 15 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\#(1 2 3) & a literal array \tn 
% Row Count 16 (+ 1)
% Row 11
\SetRowColor{white}
\{ 1 . 2 . 3 . 4 \} & a dynamic array \tn 
% Row Count 17 (+ 1)
% Row 12
\SetRowColor{LightBackground}
"a comment" & comment \tn 
% Row Count 18 (+ 1)
% Row 13
\SetRowColor{white}
| x y | & declaration of variable x and y \tn 
% Row Count 20 (+ 2)
% Row 14
\SetRowColor{LightBackground}
x := 1 & assign 1 to x \tn 
% Row Count 21 (+ 1)
% Row 15
\SetRowColor{white}
{[} :x | x + 2 {]} & a block that evaluates to x + 2 \tn 
% Row Count 23 (+ 2)
% Row 16
\SetRowColor{LightBackground}
\textless{}primitive: 1\textgreater{} & a method annotation \tn 
% Row Count 25 (+ 2)
% Row 17
\SetRowColor{white}
3 factorial & unary message factorial \tn 
% Row Count 27 (+ 2)
% Row 18
\SetRowColor{LightBackground}
3 + 4 & binary message + \tn 
% Row Count 28 (+ 1)
% Row 19
\SetRowColor{white}
2 raiseTo: 6 modulo: 10 & keyword message raiseTo:modulo: \tn 
% Row Count 30 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4.48 cm} x{3.52 cm} }
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\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Syntax element (cont)}}  \tn
% Row 20
\SetRowColor{LightBackground}
\textasciicircum{} true & return the value true \tn 
% Row Count 2 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Message precedence}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Parentheses \textgreater{} Unary message \textgreater{} Binary message \textgreater{} Keyword message} \tn 
% Row Count 2 (+ 2)
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\end{tabularx}
\par\addvspace{1.3em}

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\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Mesages separated by semi-colon;}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
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\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Loops}}  \tn
% Row 0
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(1 to: 10) do: {[} :i | Transcript crShow: i {]}. & Loop with block execution \tn 
% Row Count 3 (+ 3)
% Row 1
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arr collect: {[} :i | i * 2 {]}. & Transform elements to get new collection \tn 
% Row Count 5 (+ 2)
% Row 2
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arr select: {[}:i | i \% 2 == 0 {]}. & Get only elements passed the test \tn 
% Row Count 7 (+ 2)
% Row 3
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arr detect: {[}:i | i \textgreater{} 5 {]} ifNone: {[}{]}. & Find the first element passed the test \tn 
% Row Count 9 (+ 2)
% Row 4
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{[} x \textless{} 10{]} whileTrue: {[} x := x + 1{]}. & Loop until test condition is passed \tn 
% Row Count 11 (+ 2)
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.08 cm} x{3.92 cm} }
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myArray at: 2 & Get element by index \tn 
% Row Count 2 (+ 2)
% Row 1
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myArray add: 'E1' & Add element to array \tn 
% Row Count 4 (+ 2)
% Row 2
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myArray at: 5 put: 'E1' & Add element to index \tn 
% Row Count 6 (+ 2)
% Row 3
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myArray remove: 'E1' & Remove element at index \tn 
% Row Count 8 (+ 2)
% Row 4
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myArray copyFrom: 1 to: 2 & Subcollection \tn 
% Row Count 10 (+ 2)
% Row 5
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myArray includes: 'E1' & Test if element in array \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}