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package textwidth

import (
	"unicode"

	"golang.org/x/text/width"
)

// IsComb returns true if r is a Unicode combining character. Alias of:
//

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#
# Rsync a git repository without .git directory, excluding files as per .gitignore
# -- as if, the target directory is a checkout without .git directory.
#
rsync -azP --delete --delete-excluded --filter=":- .gitignore" --exclude .git/ src/dir/path/ user@host:/dst/dir/path/

#
# Rsync a git repository including the .git directory, excluding files as per
# .gitignore -- as if, the target directory is a clone.
#

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# The following section enables users to execute arbitrary commands
# under Makefile environment. Users are expected run commands with
# 'make run' prefix. For example,
#
# $ make run go env
#
# Users can pass command-line options as follows:
#
# $ make run -- ls -l

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package main

import (
	"flag"
	"fmt"
	"log"
	"net"

	"github.com/miekg/dns"
)

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#
# Save these rules in GNUmakefile in the configure.ac file directory.
#

# If user doesn't specify anything, pick a default docker image.
DOCKER_IMAGE ?= builder-ubuntu

# Bind mounts when running the docker image. Users can add more by defining
# DOCKER_BIND_OPTS in the command-line.
override DOCKER_BIND_OPTS += -v /home:/home

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#define defer_(x) do{}while(0); \
        auto void _dtor1_##x(); \
        auto void _dtor2_##x(); \
        int __attribute__((cleanup(_dtor2_##x))) _dtorV_##x=69; \
        void _dtor2_##x(){if(_dtorV_##x==42)return _dtor1_##x();};_dtorV_##x=42; \
        void _dtor1_##x()
#define defer__(x) defer_(x)
#define defer defer__(__COUNTER__)

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Latency Comparison Numbers
--------------------------
L1 cache reference                            0.5 ns
Branch mispredict                             5   ns
L2 cache reference                            7   ns             14x L1 cache
Mutex lock/unlock                            25   ns
Main memory reference                       100   ns             20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy              3,000   ns
Send 1K bytes over 1 Gbps network        10,000   ns    0.01 ms
Read 4K randomly from SSD*              150,000   ns    0.15 ms