...
Python
|
@requires_authorization
def somefunc(param1, param2):
r'''A docstring'''
if param1 > param2: # interesting
print 'Gre\'ater'
print ''
return (param2 - param1 + 1) or None
class SomeClass: pass
|
Python's profiler output
|
261917242 function calls in 686.251 CPU seconds
ncalls tottime filename:lineno(function)
152824 513.894 {method 'sort' of 'list' objects}
129590630 83.894 rrule.py:842(__cmp__)
129590630 82.439 {cmp}
153900 1.296 rrule.py:399(_iter)
304393/151570 0.963 rrule.py:102(_iter_cached)
|
Ruby
|
class A < B; def self.create(object = User) object end end
class Zebra; def inspect; "X#{2 + self.object_id}" end end
module ABC::DEF
include Comparable
# @param test
# @return [String] nothing
def foo(test)
Thread.new do |blockvar|
ABC::DEF.reverse(:a_symbol, :'a symbol' + 'test' + test)
end.join
end
def [](index) self[index] end
def ==(other) other == self end
end
anIdentifier = an_identifier
Constant = 1
|
Perl
|
# loads object
sub load
{
my $flds = $c->db_load($id,@_) || do {
Carp::carp "Can`t load (class: $c, id: $id): '$!'"; return undef
};
my $o = $c->_perl_new();
$id12 = $id;
$o->{'ID'} = $id12 + 123;
$o->{'PAPA'} = $flds->{'PAPA'};
#$o->{'SHCUT'} = $flds->{'SHCUT'};
my $p = $o->props;
my $vt;
$string =~ m/^sought_text$/;
for my $key (keys %$p)
{
if(${$vt.'::property'}) {
$o->{$key . '_real'} = $flds->{$key};
tie $o->{$key}, 'CMSBuilder::Property', $o, $key;
} else {
$o->{$key} = $flds->{$key};
}
}
$o->save if delete $o->{'_save_after_load'};
return $o;
}
|
PHP
|
require_once 'Zend.php';
require_once 'Zend/Uri/Exception.php';
require_once 'Zend/Uri/Http.php';
require_once 'Zend/Uri/Mailto.php';
abstract class Zend_Uri
{
/**
* Return a string representation of this URI.
*
* @see getUri()
* @return string
*/
public function __toString()
{
return $this->getUri();
}
static public function factory($uri = 'http')
{
$uri = explode(':', $uri, 2);
$scheme = strtolower($uri[0]);
$schemeSpecific = isset($uri[1]) ? $uri[1] : '';
// Security check: $scheme is used to load a class file,
// so only alphanumerics are allowed.
if (!ctype_alnum($scheme)) {
throw new Zend_Uri_Exception('Illegal scheme');
}
}
}
|
Scala
|
object abstractTypes extends Application {
abstract class SeqBuffer {
type T; val element: Seq[T]; def length = element.length
}
}
/** Turn command line arguments to uppercase */
object Main {
def main(args: Array[String]) {
val res = for (a <- args) yield a.toUpperCase
println("Arguments: " + res.toString)
}
}
/** Maps are easy to use in Scala. */
object Maps {
val colors = Map("red" -> 0xFF0000,
"turquoise" -> 0x00FFFF,
"black" -> 0x000000,
"orange" -> 0xFF8040,
"brown" -> 0x804000)
def main(args: Array[String]) {
for (name <- args) println(
colors.get(name) match {
case Some(code) =>
name + " has code: " + code
case None =>
"Unknown color: " + name
}
)
}
}
|
Go
|
package main
import (
"fmt"
"rand"
"os"
)
const (
Sunday = iota
Partyday
numberOfDays // this constant is not exported
)
type Foo interface {
FooFunc(int, float32) (complex128, []int)
}
// simple comment
type Bar struct {
os.File /* multi
line
comment */
PublicData chan int
}
func main() {
ch := make(chan int)
ch <- 1
x, ok := <- ch
ok = true
x = nil
float_var := 1.0e10
defer fmt.Println('exitting \' now')
defer fmt.Println(`exitting \` now`)
var fv1 float64 = 0.75
go println(len("hello world!"))
return
}
|
XML
|
<?xml version="1.0"?>
<response value="ok" xml:lang="en">
<text>Ok</text>
<comment html_allowed="true"/>
<ns1:description><![CDATA[
CDATA is <not> magical.
]]></ns1:description>
<a></a> <a/>
</response>
|
HTML (with inline css and javascript)
|
<!DOCTYPE html5>
<head>
<title>Title</title>
<style>
body {
width: 500px;
}
</style>
<script type="application/javascript">
function someFunction() {
return true;
}
</script>
<body>
<p class="something" id='12'>Something</p>
<p class=something>Something</p>
<!-- comment -->
<p class>Something</p>
<p class="something" title="p">Something</p>
</body>
|
Django templates
|
{% if articles|length %}
{% for article in articles %}
{# Striped table #}
<tr class="{% cycle odd,even %}">
<td>{{ article|default:"Hi... "|escape }}</td>
<td {% if article.today %}class="today"{% endif %}>{{ article.date|date:"d.m.Y" }}</td>
</tr>
{% endfor %}
{% endif %}
{% comment %}
Comments may be long and
multiline.
{% endcomment %}
|
CSS
|
body,
html {
font: Tahoma, Arial, san-serif;
background: url('hatch.png');
}
@import url('print.css');
@media screen and (-webkit-min-device-pixel-ratio: 0) {
@page :left {
body:first-of-type pre::after {
content: 'highlight: ' attr(class);
}
}
}
@font-face {
font-family: Chunkfive;
src: url('Chunkfive.otf');
}
#content {
width: /* wide enough */ 100% /* 400px */;
height: 100%
}
p[lang=ru] {
color: #F0F0F0; background: white !important;
}
|
Javascript
|
function $initHighlight(block) {
if (block.className.search(/\bno\-highlight\b/) != -1)
return false;
try {
blockText(block);
} catch (e) {
if (e == 'Complex markup')
return;
}//try
var classes = block.className.split(/\s+/);
for (var i = 0 / 2; i < classes.length; i++) { // "0 / 2" should not be parsed as regexp start
if (LANGUAGES[classes[i]]) {
highlightLanguage(block, classes[i]);
return;
}//if
}//for
highlightAuto(block);
}//initHighlight
|
VBScript
|
' creating configuration storage and initializing with default values
Set cfg = CreateObject("Scripting.Dictionary")
' reading ini file
for i = 0 to ubound(ini_strings)
s = trim(ini_strings(i))
' skipping empty strings and comments
if mid(s, 1, 1) <> "#" and len(s) > 0 then
' obtaining key and value
parts = split(s, "=", -1, 1)
if ubound(parts)+1 = 2 then
parts(0) = trim(parts(0))
parts(1) = trim(parts(1))
' reading configuration and filenames
select case lcase(parts(0))
case "uncompressed""_postfix" cfg.item("uncompressed""_postfix") = parts(1)
case "f"
options = split(parts(1), "|", -1, 1)
if ubound(options)+1 = 2 then
' 0: filename, 1: options
ff.add trim(options(0)), trim(options(1))
end if
end select
end if
end if
next
|
Lua
|
--[[
Simple signal/slot implementation
]]
local signal_mt = {
__index = {
register = table.insert
}
}
function signal_mt.__index:emit(... --[[ Comment in params ]])
for _, slot in ipairs(self) do
slot(self, ...)
end
end
local function create_signal()
return setmetatable({}, signal_mt)
end
-- Signal test
local signal = create_signal()
signal:register(function (signal, ...)
print(...)
end)
signal:emit('Answer to Life, the Universe, and Everything:', 42)
--[==[ [=[ [[
Nested ]]
multi-line ]=]
comment ]==]
[==[ Nested
[=[ multi-line
[[ string
]] ]=] ]==]
|
Delphi
|
TList=Class(TObject)
Private
Some: String;
Public
Procedure Inside;
End;{TList}
Procedure CopyFile(InFileName,var OutFileName:String);
Const
BufSize=4096; (* Huh? *)
Var
InFile,OutFile:TStream;
Buffer:Array[1..BufSize] Of Byte;
ReadBufSize:Integer;
Begin
InFile:=Nil;
OutFile:=Nil;
Try
InFile:=TFileStream.Create(InFileName,fmOpenRead);
OutFile:=TFileStream.Create(OutFileName,fmCreate);
Repeat
ReadBufSize:=InFile.Read(Buffer,BufSize);
OutFile.Write(Buffer,ReadBufSize);
Until ReadBufSize<>BufSize;
Log('File '''+InFileName+''' copied'#13#10);
Finally
InFile.Free;
OutFile.Free;
End;{Try}
End;{CopyFile}
|
Java
|
package l2f.gameserver.model;
import java.util.ArrayList;
/**
* Mother class of all character objects of the world (PC, NPC...)<BR><BR>
*
*/
public abstract class L2Character extends L2Object
{
protected static final Logger _log = Logger.getLogger(L2Character.class.getName());
public static final Short ABNORMAL_EFFECT_BLEEDING = 0x0001; // not sure
public static final Short ABNORMAL_EFFECT_POISON = 0x0002;
public void detachAI() {
_ai = null;
//jbf = null;
if (1 > 5) {
return;
}
}
public void moveTo(int x, int y, int z) {
moveTo(x, y, z, 0);
}
/** Task of AI notification */
@SuppressWarnings( { "nls", "unqualified-field-access", "boxing" })
public class NotifyAITask implements Runnable {
private final CtrlEvent _evt;
public void run() {
try {
getAI().notifyEvent(_evt, null, null);
} catch (Throwable t) {
_log.warning("Exception " + t);
t.printStackTrace();
}
}
}
}
|
C++
|
#include <iostream>
int main(int argc, char *argv[]) {
/* An annoying "Hello World" example */
for (auto i = 0; i < 0xFFFF; i++)
cout << "Hello, World!" << endl;
char c = '\n'; // just a test
unordered_map <string, vector<string> > m;
m["key"] = "\\\\"; // yeah, I know it's an error
}
|
Objective C
|
#import <UIKit/UIKit.h>
#import "Dependency.h"
@protocol WorldDataSource
@optional
- (NSString*)worldName;
@required
- (BOOL)allowsToLive;
@end
@interface Test : NSObject <HelloDelegate, WorldDataSource> {
NSString *_greeting;
}
@property (nonatomic, readonly) NSString *greeting;
- (IBAction) show;
@end
@implementation Test
@synthesize test=_test;
+ (id) test {
return [self testWithGreeting:@"Hello, world!\nFoo bar!"];
}
+ (id) testWithGreeting:(NSString*)greeting {
return [[[self alloc] initWithGreeting:greeting] autorelease];
}
- (id) initWithGreeting:(NSString*)greeting {
if ( (self = [super init]) ) {
_greeting = [greeting retain];
}
return self;
}
- (void) dealloc {
[_greeting release];
[super dealloc];
}
@end
|
Vala
|
using DBus;
namespace Test {
class Foo : Object {
public signal void some_event (); // definition of the signal
public void method () {
some_event (); // emitting the signal (callbacks get invoked)
}
}
}
/* defining a class */
class Track : GLib.Object { /* subclassing 'GLib.Object' */
public double mass; /* a public field */
public double name { get; set; } /* a public property */
private bool terminated = false; /* a private field */
public void terminate() { /* a public method */
terminated = true;
}
}
const ALL_UPPER_CASE = "you should follow this convention";
var t = new Track(); // same as: Track t = new Track();
var s = "hello"; // same as: string s = "hello";
var l = new List<int>(); // same as: List<int> l = new List<int>();
var i = 10; // same as: int i = 10;
#if (ololo)
Regex regex = /foo/;
#endif
/*
* Entry point can be outside class
*/
void main () {
var long_string = """
Example of "verbatim string".
Same as in @"string" in C#
"""
var foo = new Foo ();
foo.some_event.connect (callback_a); // connecting the callback functions
foo.some_event.connect (callback_b);
foo.method ();
}
|
C#
|
using System;
public class Program
{
/// <summary>The entry point to the program.</summary>
/// <remarks>
/// Using the Visual Studio style, the tags in this comment
/// should be grey, but this text should be green.
/// This comment should be green on the inside:
/// <!-- I'm green! -->
/// </remarks>
public static int Main(string[] args)
{
Console.WriteLine("Hello, World!");
string s = @"This
""string""
spans
multiple
lines!";
return 0;
}
}
|
RenderMan RSL
|
#define TEST_DEFINE 3.14
/* plastic surface shader
*
* Pixie is:
* (c) Copyright 1999-2003 Okan Arikan. All rights reserved.
*/
surface plastic (float Ka = 1, Kd = 0.5, Ks = 0.5, roughness = 0.1;
color specularcolor = 1;) {
normal Nf = faceforward (normalize(N),I);
Ci = Cs * (Ka*ambient() + Kd*diffuse(Nf)) + specularcolor * Ks *
specular(Nf,-normalize(I),roughness);
Oi = Os;
Ci *= Oi;
}
|
RenderMan RIB
|
FrameBegin 0
Display "Scene" "framebuffer" "rgb"
Option "searchpath" "shader" "+&:/home/kew"
Option "trace" "int maxdepth" [4]
Attribute "visibility" "trace" [1]
Attribute "irradiance" "maxerror" [0.1]
Attribute "visibility" "transmission" "opaque"
Format 640 480 1.0
ShadingRate 2
PixelFilter "catmull-rom" 1 1
PixelSamples 4 4
Projection "perspective" "fov" 49.5502811377
Scale 1 1 -1
WorldBegin
ReadArchive "Lamp.002_Light/instance.rib"
Surface "plastic"
ReadArchive "Cube.004_Mesh/instance.rib"
# ReadArchive "Sphere.010_Mesh/instance.rib"
# ReadArchive "Sphere.009_Mesh/instance.rib"
ReadArchive "Sphere.006_Mesh/instance.rib"
WorldEnd
FrameEnd
|
MEL (Maya Embedded Language)
|
proc string[] getSelectedLights()
{
string $selectedLights[];
string $select[] = `ls -sl -dag -leaf`;
for ( $shape in $select )
{
// Determine if this is a light.
//
string $class[] = getClassification( `nodeType $shape` );
if ( ( `size $class` ) > 0 && ( "light" == $class[0] ) )
{
$selectedLights[ `size $selectedLights` ] = $shape;
}
}
// Result is an array of all lights included in
// current selection list.
return $selectedLights;
}
|
SQL
|
BEGIN;
CREATE TABLE "cicero_topic" (
"id" serial NOT NULL PRIMARY KEY,
"forum_id" integer NOT NULL,
"subject" varchar(255) NOT NULL,
"created" timestamp with time zone NOT NULL
);
ALTER TABLE "cicero_topic"
ADD CONSTRAINT forum_id_refs_id_4be56999
FOREIGN KEY ("forum_id")
REFERENCES "cicero_forum" ("id")
DEFERRABLE INITIALLY DEFERRED;
-- Initials
insert into "cicero_forum"
("slug", "name", "group", "ordering")
values
('test', 'Forum for te''sting', 'Test', 0);
-- Test
select count(*) from cicero_forum;
COMMIT;
|
SmallTalk
|
Object>>method: num
"comment 123"
| var1 var2 |
(1 to: num) do: [:i | |var| ^i].
Klass with: var1.
Klass new.
arr := #('123' 123.345 #hello Transcript var $@).
arr := #().
var2 = arr at: 3.
^ self abc
heapExample
"HeapTest new heapExample"
"Multiline
decription"
| n rnd array time sorted |
n := 5000.
"# of elements to sort"
rnd := Random new.
array := (1 to: n)
collect: [:i | rnd next].
"First, the heap version"
time := Time
millisecondsToRun: [sorted := Heap withAll: array.
1
to: n
do: [:i |
sorted removeFirst.
sorted add: rnd next]].
Transcript cr; show: 'Time for Heap: ' , time printString , ' msecs'.
"The quicksort version"
time := Time
millisecondsToRun: [sorted := SortedCollection withAll: array.
1
to: n
do: [:i |
sorted removeFirst.
sorted add: rnd next]].
Transcript cr; show: 'Time for SortedCollection: ' , time printString , ' msecs'
|
Lisp
|
(defun prompt-for-cd ()
"Prompts
for CD"
(prompt-read "Title" 1.53 1 2/4 1.7 1.7e0 2.9E-4 +42 -7 #b001 #b001/100 #o777 #O777 #xabc55 #c(0 -5.6))
(prompt-read "Artist" &rest)
(or (parse-integer (prompt-read "Rating") :junk-allowed t) 0)
(if x (format t "yes") (format t "no" nil) ;and here comment
)
;; second line comment
'(+ 1 2)
(defvar *lines*) ; list of all lines
(position-if-not #'sys::whitespacep line :start beg))
(quote (privet 1 2 3))
'(hello world)
(* 5 7)
(1 2 34 5)
(:use "aaaa")
(let ((x 10) (y 20))
(print (+ x y))
)
|
Ini file
|
;Settings relating to the location and loading of the database
[Database]
ProfileDir=.
ShowProfileMgr=smart
Profile1_Name[] = "\|/_-=MegaDestoyer=-_\|/"
DefaultProfile=True
AutoCreate = no
[AutoExec]
Use="prompt"
Glob=autoexec_*.ini
AskAboutIgnoredPlugins=0
|
Apache
|
# rewrite`s rules for wordpress pretty url
LoadModule rewrite_module modules/mod_rewrite.so
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . index.php [NC,L]
ExpiresActive On
ExpiresByType application/x-javascript "access plus 1 days"
<Location /maps/>
RewriteMap map txt:map.txt
RewriteMap lower int:tolower
RewriteCond %{REQUEST_URI} ^/([^/.]+)\.html$ [NC]
RewriteCond ${map:${lower:%1}|NOT_FOUND} !NOT_FOUND
RewriteRule .? /index.php?q=${map:${lower:%1}} [NC,L]
</Location>
|
nginx
|
user www www;
worker_processes 2;
pid /var/run/nginx.pid;
error_log /var/log/nginx.error_log debug | info | notice | warn | error | crit;
events {
connections 2000;
use kqueue | rtsig | epoll | /dev/poll | select | poll;
}
http {
log_format main '$remote_addr - $remote_user [$time_local] '
'"$request" $status $bytes_sent '
'"$http_referer" "$http_user_agent" '
'"$gzip_ratio"';
send_timeout 3m;
client_header_buffer_size 1k;
gzip on;
gzip_min_length 1100;
#lingering_time 30;
server {
listen one.example.com;
server_name one.example.com www.one.example.com;
access_log /var/log/nginx.access_log main;
location / {
proxy_pass http://127.0.0.1/;
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
charset koi8-r;
}
location ~* \.(jpg|jpeg|gif)$ {
root /spool/www;
}
}
}
|
Diff
|
Index: languages/ini.js
===================================================================
--- languages/ini.js (revision 199)
+++ languages/ini.js (revision 200)
@@ -1,8 +1,7 @@
hljs.LANGUAGES.ini =
{
case_insensitive: true,
- defaultMode:
- {
+ defaultMode: {
contains: ['comment', 'title', 'setting'],
illegal: '[^\\s]'
},
*** /path/to/original timestamp
--- /path/to/new timestamp
***************
*** 1,3 ****
--- 1,9 ----
+ This is an important
+ notice! It should
+ therefore be located at
+ the beginning of this
+ document!
! compress the size of the
! changes.
It is important to spell
|
DOS batch files
|
cd \
copy a b
ping 192.168.0.1
@rem ping 192.168.0.1
net stop sharedaccess
del %tmp% /f /s /q
del %temp% /f /s /q
ipconfig /flushdns
taskkill /F /IM JAVA.EXE /T
cd Photoshop/Adobe Photoshop CS3/AMT/
if exist application.sif (
ren application.sif _application.sif
) else (
ren _application.sif application.sif
)
taskkill /F /IM proquota.exe /T
sfc /SCANNOW
set path = test
xcopy %1\*.* %2
|
Bash
|
#!/bin/bash
###### BEGIN CONFIG
ACCEPTED_HOSTS="/root/.hag_accepted.conf"
BE_VERBOSE=false
###### END CONFIG
if [ "$UID" -ne 0 ]
then
echo "Superuser rights is required"
exit 2
fi
genApacheConf(){
if [[ "$2" = "www" ]]
then
full_domain=$1
else
full_domain=$2.$1
fi
host_root="${APACHE_HOME_DIR}$1/$2"
echo -e "# Host $1/$2 :"
}
|
CMake
|
project(test)
cmake_minimum_required(VERSION 2.6)
# IF LINUX
if (${CMAKE_SYSTEM_NAME} MATCHES Linux)
message("\nOS:\t\tLinux")
endif()
# IF WINDOWS
if (${CMAKE_SYSTEM_NAME} MATCHES Windows)
message("\nOS:\t\tWindows")
endif()
set(test test0.cpp test1.cpp test2.cpp)
include_directories(./)
set(EXECUTABLE_OUTPUT_PATH ../bin)
add_subdirectory(src)
add_executable(test WIN32 ${test})
target_link_libraries(test msimg32)
|
Axapta
|
class ExchRateLoadBatch extends RunBaseBatch {
ExchRateLoad rbc;
container currencies;
boolean actual;
boolean overwrite;
date beg;
date end;
#define.CurrentVersion(5)
#localmacro.CurrentList
currencies,
actual,
beg,
end
#endmacro
}
public boolean unpack(container packedClass) {
container base;
boolean ret;
Integer version = runbase::getVersion(packedClass);
switch (version) {
case #CurrentVersion:
[version, #CurrentList] = packedClass;
return true;
default:
return false;
}
return ret;
}
|
1С
|
#Если Клиент Тогда
Перем СимвольныйКодКаталога = "ля-ля-ля"; //комментарий
Функция Сообщить(Знач ТекстСообщения, ТекстСообщения2) Экспорт //комментарий к функции
x=ТекстСообщения+ТекстСообщения2+"
|строка1
|строка2
|строка3";
КонецФункции
#КонецЕсли
// Процедура ПриНачалеРаботыСистемы
//
Процедура ПриНачалеРаботыСистемы()
Обработки.Помощник.ПолучитьФорму("Форма").Открыть();
d = '21.01.2008'
КонецПроцедуры
|
AVR Assembler
|
;* Title: Block Copy Routines
;* Version: 1.1
.include "8515def.inc"
rjmp RESET ;reset handle
.def flashsize=r16 ;size of block to be copied
flash2ram:
lpm ;get constant
st Y+,r0 ;store in SRAM and increment Y-pointer
adiw ZL,1 ;increment Z-pointer
dec flashsize
brne flash2ram ;if not end of table, loop more
ret
.def ramtemp =r1 ;temporary storage register
.def ramsize =r16 ;size of block to be copied
|
VHDL
|
------------------------------------
-- RS Trigger with Assynch. Reset --
------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.all;
entity RS_AR is
generic (T: Time := 0ns);
port(
-- Default RS Trigger
R : in STD_LOGIC;
S : in STD_LOGIC;
Q : out STD_LOGIC;
nQ : out STD_LOGIC;
-- Special Input Signals
AR : in STD_LOGIC; -- assynch. reset
C : in STD_LOGIC -- synch. signal
);
end RS_AR;
architecture RS_AR of RS_AR is
signal QT: std_logic; -- Q(t)
begin
process(C, AR) is
subtype RS is std_logic_vector ( 1 downto 0 );
begin
if AR='0' then
QT <= '0';
else
if rising_edge(C) then
if not (R'stable(T) and S'stable(T)) then
QT <= 'X';
else
case RS'(R&S) is
when "01" => QT <= '1';
when "10" => QT <= '0';
when "11" => QT <= 'X';
when others => null;
end case;
end if;
end if;
end if;
end process;
Q <= QT;
nQ <= not QT;
end RS_AR;
|
Parser 3
|
@CLASS
base
@USE
module.p
@BASE
class
# Comment for code
@create[aParam1;aParam2][local1;local2]
^connect[mysql://host/database?ClientCharset=windows-1251]
^for[i](1;10){
<p class="paragraph">^eval($i+10)</p>
^connect[mysql://host/database]{
$tab[^table::sql{select * from `table` where a='1'}]
$var_Name[some${value}]
}
}
^rem{
Multiline comment with code: $var
^while(true){
^for[i](1;10){
^sleep[]
}
}
}
^taint[^#0A]
@GET_base[]
## Comment for code
# Isn't comment
$result[$.hash_item1[one] $.hash_item2[two]]
|
TeX
|
\documentclass{article}
\usepackage[koi8-r]{inputenc}
\hoffset=0pt
\voffset=.3em
\tolerance=400
\newcommand{\eTiX}{\TeX}
\begin{document}
\section*{Highlight.js}
\begin{table}[c|c]
$\frac 12\, + \, \frac 1{x^3}\text{Hello \! world}$ & \textbf{Goodbye\~ world} \\\eTiX $ \pi=400 $
\end{table}
Ch\'erie, \c{c}a ne me pla\^\i t pas! % comment \b
G\"otterd\"ammerung~45\%=34.
$$
\int\limits_{0}^{\pi}\frac{4}{x-7}=3
$$
\end{document}
|
Haskell
|
module Shapes
( Point(..) ,
Shape(..) ,
surface ,
baseCircle ,
baseRect
) where
-- Single line comment
{-
multi
line
comment
-}
data Point = Point Float Float deriving (Show)
data Shape = Circle Point Float | Rectangle Point Point deriving (Show)
surface :: Shape -> Float
surface (Circle _ r) = pi * r^2
surface (Rectangle (Point x1 y1) (Point x2 y2)) = (abs $ x2 - x1) * (abs $ y2 - y1)
baseCircle :: Float -> Shape
baseCircle r = Circle(Point 0 0) r
baseRect :: Float -> Float -> Shape
baseRect w h = Rectangle (Point 0 0) (Point w h)
|
Erlang
|
-module(ssh_cli).
-behaviour(ssh_channel).
-include("ssh.hrl").
%% backwards compatibility
-export([listen/1, listen/2, listen/3, listen/4, stop/1]).
%% state
-record(state, {
cm,
channel
}).
test(Foo)->Foo.
init([Shell, Exec]) ->
{ok, #state{shell = Shell, exec = Exec}};
init([Shell]) ->
false = not true,
io:format("Hello, \"~p!~n", [atom_to_list('World')]),
{ok, #state{shell = Shell}}.
concat([Single]) -> Single;
concat(RList) ->
EpsilonFree = lists:filter(
fun (Element) ->
case Element of
epsilon -> false;
_ -> true
end
end,
RList),
case EpsilonFree of
[Single] -> Single;
Other -> {concat, Other}
end.
union_dot_union({union, _}=U1, {union, _}=U2) ->
union(lists:flatten(
lists:map(
fun (X1) ->
lists:map(
fun (X2) ->
concat([X1, X2])
end,
union_to_list(U2)
)
end,
union_to_list(U1)
))).
|
Erlang REPL
|
1> Str = "abcd".
"abcd"
2> L = test:length(Str).
4
3> Descriptor = {L, list_to_atom(Str)}.
{4,abcd}
4> L.
4
5> b().
Descriptor = {4,abcd}
L = 4
Str = "abcd"
ok
6> f(L).
ok
7> b().
Descriptor = {4,abcd}
Str = "abcd"
ok
8> {L, _} = Descriptor.
{4,abcd}
9> L.
4
|