\documentclass[10pt,a4paper]{article}

% Packages
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\usepackage{multicol}           % Allows multicols in tables
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%\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{{[}deleted{]}}
\pdfinfo{
  /Title (swift-4-syntax-beginner.pdf)
  /Creator (Cheatography)
  /Author ({[}deleted{]})
  /Subject (Swift 4 Syntax (beginner) Cheat Sheet)
}

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% This two commands together give roughly
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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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\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Swift 4 Syntax (beginner) Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{{[}deleted{]}} via \textcolor{DarkBackground}{\uline{cheatography.com/66851/cs/16721/}}}
\end{tabulary}
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\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}{[}deleted{]} \\
  \uline{cheatography.com/deleted-66851} \\
  \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 19th August, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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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}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Control Flow}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{If / else if / else}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{if var1 == var2 \{ \newline     print("Ok") \newline \} else if var1 \textless{} var2  \{ \newline     print("Not ok") \newline \} else \{ \newline     print("Maybe ok") \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Switch}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{switch}} (var1, var2) \{ \newline     {\bf{case}} (3, 8): \newline         {\emph{print}}("Sure") \newline     {\bf{case}} (1...15, 20..\textless{}25): \newline         {\emph{print}}("Ranges") \newline     {\bf{case}} (let localVar1, let localVar2) where localVar1 + localVar2 \textgreater{} 30: \newline         {\emph{print}}(localVar1, localVar2) \newline     {\bf{default}}: \newline         {\emph{print}}("Nothing") \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{while / repeat while}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{var digit = 5 \newline  \newline while digit \textgreater{} 0 \{ \newline     digit -= 1 \newline     print(digit) \newline \} \newline  \newline repeat \{ \newline     digit -= 1 \newline     print(digit) \newline \} while digit \textgreater{}= 0} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{for in}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{for item in {[}"item1", "item2"{]} \{ \newline     print(item) \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Guard}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{guard var1 \textgreater{}= 3 else \{ \newline    print("Lower than 2") \newline    continue \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Optionals}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{var optional1: String? \newline var optional2: Int? = 10} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Classes}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Basic class}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{class Adventurer \{ \newline     var name: String \newline     var hp: Int \newline     let maxHealth: Int = 100 \newline      \newline     static var credo = "Defend the helpless" \newline      \newline     var specialMove: String? \newline      \newline     var toFullHp: Int \{ \newline         return maxHealth - hp \newline     \} \newline      \newline     var health: Int \{ \newline         get \{ \newline             return hp \newline         \} \newline         set \{ \newline             hp = newValue \newline         \} \newline     \} \newline      \newline     init(name: String, hp: Int) \{ \newline         self.name = name \newline         self.hp = hp \newline     \} \newline      \newline     convenience init(name: String) \{ \newline         self.init(name: name, hp: 100) \newline     \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Subclass}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{class Adventurer \{ \newline     var name: String \newline     static var credo = "Defend the helpless" \newline      \newline     init(name: String) \{ \newline         self.name = name \newline     \} \newline      \newline     func attack(damage: Int) \{ \newline         print("Attacking for \textbackslash{}(damage) damage.") \newline     \} \newline      \newline     static func printCredo() \{ \newline         print(credo) \newline     \} \newline \} \newline  \newline class Ranger: Adventurer \{ \newline      \newline     var classAdvantage: String \newline      \newline     init(name: String, advantage: String) \{ \newline         self.classAdvantage = advantage \newline         super.init(name: name) \newline     \} \newline      \newline     override func attack(damage: Int) \{ \newline         print("Ranger attack for \textbackslash{}(damage)") \newline     \} \newline \} \newline  \newline var adventurer = Adventurer(name: "Harrison") \newline var ranger = Ranger(name: "Steven", advantage: "Stealth")} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Collections}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Array}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{var Array: Array\textless{}String\textgreater{} = {[}{]} \newline var Array2 = Array\textless{}String\textgreater{}() \newline var Array3 = {[}Double{]}() \newline var Array4: {[}Int{]} = {[}{]}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Dictionary}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{var dict1: Dictionary\textless{}Int, Int\textgreater{} = {[}:{]} \newline var dict2 = Dictionary\textless{}Int, String\textgreater{}() \newline var dict3 = {[}String : String{]}() \newline var dict4: {[}String : String{]} = {[}:{]}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Tuple}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{var tuple = (string: "str", int: 1, isBool: true) \newline  \newline var tuple2: (string: String, int: Int, isBool: Bool) \newline tuple2 = ("str", 1, true) \newline  \newline var tuple3: (String, Int, Bool) = ("str", 1, true)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Set}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{var set = Set\textless{}Int\textgreater{}() \newline var set2: Set\textless{}Int\textgreater{} = {[}{]}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Basic function}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{func myFunction(value: String) -\textgreater{} Bool \{ \newline     print("Basic function") \newline     return true \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Complex function}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{func myFunction(value1: String = "Value1", value2: Int = 2) -\textgreater{} (return1: String, return2: Int) \{ \newline    print("Complex function") \newline    return ("string", 3) \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Functions as parameter}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{func superFunc(value: Int) -\textgreater{} Int \{ \newline     return value * 4 \newline \} \newline  \newline func myFunc(value: Int, anotherFunc: (Int) -\textgreater{} Int) \{ \newline     let var1 = anotherFunc(value) \newline     print(var1) \newline \} \newline  \newline myFunc(2, superFunc)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Closures}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Empty Closure}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{var closureDeclaration: () -\textgreater{} () = \{\}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Basic shorthand}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{var closure = \{ (parameterString: String) -\textgreater{} Void in \newline     print(parameterString) \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Closure shorthand}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{var closure: (String) -\textgreater{} String = \{ value in \newline     return "\textbackslash{}(value)" \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Closures as function parameters}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{func myFunc(closure: ({[}String{]}) -\textgreater{} Void) \{ \newline     let array = {[}"value1", "value2", "value3", "value4"{]} \newline     closure(array) \newline \} \newline  \newline myFunc \{ (values) in \newline     for value in values \{ \newline         print("\textbackslash{}(value)") \newline     \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}