essential-go.tex

\documentclass[10pt, a4paper]{book}

\def\myauthor{Baiju Muthukadan}
\def\mytitle{Essentials of Go Programming}
\def\mycopyright{\myauthor}
\def\mykeywords{Baiju, Muthukadan, Go, Golang, Programming, Book}
\def\mybibliostyle{plain}
\def\mybibliocommand{}
\def\mysubtitle{}
\def\myaffiliation{}
\def\myaddress{}
\def\myemail{baiju.m.mail@gmail.com}
\def\myweb{https://muthukadan.net}
\def\myphone{+91 9945973441}
\def\myversion{}
\def\myrevision{}

\usepackage[paperwidth=6.69in, paperheight=9.61in]{geometry}
\usepackage[none]{hyphenat}
\usepackage{listings}
\usepackage{listings-golang}
\usepackage[usenames,dvipsnames]{xcolor}
\usepackage[utf8]{inputenc}
\usepackage{imakeidx}
\usepackage{tabularx}
\usepackage{hologo}
\usepackage{caption}
\usepackage{framed}
\usepackage{fancybox}
\usepackage{fancyvrb}
\usepackage{fancyhdr}
\usepackage{tikz}
\usepackage{mathtools}
\usepackage[xetex,
    colorlinks,
    citecolor=black,
    filecolor=black,
    linkcolor=black,
    urlcolor=black,
    plainpages=false,
    pdfpagelabels,
    bookmarksnumbered,
    pdftitle={\mytitle},
    pagebackref,
    pdfauthor={\myauthor},
    pdfkeywords={\mykeywords}
]{hyperref}
\usepackage[Bjornstrup]{fncychap}
\usepackage{upquote}
\usepackage{textcomp}
\usepackage{afterpage}
\usepackage{sectsty}
\usepackage[all]{nowidow}
\usepackage{etoolbox,environ}

\newtoggle{ebook}
\toggletrue{ebook}
\NewEnviron{ebookr}
  {\iftoggle{ebook}{\BODY}{}}

\makeatletter
\@ifpackageloaded{tex4ht}{%
\togglefalse{ebook}
% Packages for tex4ht
\usepackage[T1]{fontenc}
\usepackage[english]{babel}
}{%
% Packages for xelatex
\usepackage{fontspec}
\usepackage{xunicode}

\setmainfont[ Path = fonts/,
UprightFont = DejaVuSerif.ttf,
ItalicFont = DejaVuSerif-Italic.ttf,
BoldFont = DejaVuSerif-Bold.ttf,
BoldItalicFont = DejaVuSerif-BoldItalic.ttf,
Numbers={Lining, Monospaced},
] {DejaVu Serif}

\setsansfont[ Path = fonts/,
UprightFont = DejaVuSans.ttf,
ItalicFont = DejaVuSans-Oblique.ttf,
BoldFont = DejaVuSans-Bold.ttf,
BoldItalicFont = DejaVuSans-BoldOblique.ttf,
Numbers={Lining, Monospaced},
] {DejaVu Sans}

\setmonofont[ Path = fonts/,
UprightFont = SourceCodePro-Semibold.ttf,
BoldFont = SourceCodePro-Bold.ttf,
Numbers={Lining, Monospaced},
] {Source Code Pro}

\defaultfontfeatures{Mapping=tex-text} % To support LaTeX quoting style

}


\makeatother

\date{}

%% \renewcommand\contentsname{Table Of Contents}

% Do not indent first line of paragraph.
\setlength{\parindent}{0pt}
\setlength{\parskip}{5pt plus 2pt minus 1pt}

\newlength{\admonitionwidth}
\setlength{\admonitionwidth}{0.9\textwidth}
\newlength{\docinfowidth}
\setlength{\docinfowidth}{0.9\textwidth}


% Less strict (opposite to default fussy) space size between words.
% Therefore less hyphenation.
\sloppy

\makeindex

\lstset{linewidth=\textwidth}
\lstset{ %
  basicstyle=\ttfamily\small, % the size of the fonts that are used for the code
  showstringspaces=false, % underline spaces within strings
  numbers=left, % where to put the line-numbers
  numberstyle=\footnotesize, % the size of the fonts that are used for the line-numbers
  stepnumber=1, % the step between two line-numbers. If it's 1 each line will be numbered
  numbersep=8pt, % how far the line-numbers are from the code
  numberblanklines=false,
  tabsize=4,
}

\captionsetup[lstlisting]{
  justification=centering,
  singlelinecheck=false,
  margin=0pt,
  font={it,footnotesize} }

\setlength{\headheight}{15.2pt}
\pagestyle{fancy}

\lhead[Essentials of Go Programming]{Essentials of Go Programming}
%\chead[<even output>]{<odd output>}
\rhead{}

\fancyhead{}
\fancyfoot{}
\fancyhead[RO,LE]{\thepage}
\fancyhead[LO]{\leftmark}
\fancyhead[RE]{\rightmark}

\renewcommand{\chaptermark}[1]{%
\markboth{\chaptername
  \ \thechapter.\ #1}{}}

\renewcommand{\sectionmark}[1]{\markright{\thesection.\ #1}}

\makeatletter
\def\cleardoublepage{\clearpage\if@twoside \ifodd\c@page\else
\hbox{}
\vspace*{\fill}
\begin{center}
\end{center}
\vspace{\fill}
\thispagestyle{plain}
\newpage
\if@twocolumn\hbox{}\newpage\fi\fi\fi}
\makeatother

\hypersetup{
    pdfborder = {0 0 0}
}

\widowpenalty10000
\clubpenalty10000

\setcounter{secnumdepth}{1}
\setcounter{tocdepth}{1}

\makeatletter
\renewcommand*{\numberline}[1]{\hb@xt@3em{#1\hfil}}
\makeatother

\newcommand\blankpage{%
  \null
  \thispagestyle{empty}%
  \addtocounter{page}{-1}%
  \newpage}

\urldef{\effgo}\url{https://go.dev/doc/effective_go#constants}

\begin{document}

\frontmatter
\setcounter{page}{0}
\pagenumbering{roman}

\input{./title.tex}

\thispagestyle{plain}
\input{./copyright.tex}

\cleardoublepage
\thispagestyle{empty} %% Remove header and footer.
\vspace*{2in}
\begin{center}
{\it To my mother Sulochana M.I.}
\end{center}

\newpage
\thispagestyle{plain}

\tableofcontents

\newpage
\thispagestyle{plain}

\input{./preface.tex}
\input{./acknowledgements.tex}

\newpage
\thispagestyle{plain}

\mainmatter
\pagenumbering{arabic}
\setcounter{page}{1}
\input{./introduction.tex}
\input{./quickstart.tex}
\input{./control-structures.tex}
\input{./data-structures.tex}
\input{./functions.tex}
\input{./objects.tex}
\input{./concurrency.tex}
\input{./packages.tex}
\input{./io.tex}
\input{./testing.tex}
\input{./tooling.tex}

%% \appendix

\input{./answers.tex}
%% \input{./vim-config.tex}
%% \input{./edition2/securing-api.tex}

\input{./biblio.tex}

\begin{ebookr}
\cleardoublepage
\phantomsection
\addcontentsline{toc}{chapter}{Index}
\printindex
\end{ebookr}

\blankpage
\input{./colophon.tex}
%% \blankpage
%% \blankpage
\backmatter
\end{document}