. . . . . . . . . . . . . . . . 127 13 方法 129 13.1 定义方法 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 13.2 方法歧义 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 13.3 参数方法 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 13.4 重定义方法 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 13.5 使用参数方法设计样式 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 从超类型中提取出类型参数 . . . . . . . . . . . . . . . . . . . . . .

com", "github.com", "julialang.org") @async begin conn = connect(hostname, 80) write(conn, "GET / HTTP/1.1\r\nHost:$(hostname)\r\n\r\n") readline(conn, keep=true) println("Finished connection to $(hostname)") delays=rand(5:10, 2)) retry(f, delays=Base.ExponentialBackOff(n=3, first_delay=5, max_delay=1000)) retry(http_get, check=(s,e)->e.status == "503")(url) retry(read, check=(s,e)->isa(e, IOError))(io, 128; all=false) These pairs are passed as headers when downloading URLs with protocols that supports them, such as HTTP/S. The timeout keyword argument specifies a timeout for the download to complete in seconds, with

com", "github.com", "julialang.org") @async begin conn = connect(hostname, 80) write(conn, "GET / HTTP/1.1\r\nHost:$(hostname)\r\n\r\n") readline(conn, keep=true) println("Finished connection to $(hostname)") delays=rand(5:10, 2)) retry(f, delays=Base.ExponentialBackOff(n=3, first_delay=5, max_delay=1000)) retry(http_get, check=(s,e)->e.status == "503")(url) retry(read, check=(s,e)->isa(e, IOError))(io, 128; all=false) These pairs are passed as headers when downloading URLs with protocols that supports them, such as HTTP/S. The timeout keyword argument specifies a timeout for the download to complete in seconds, with

com", "github.com", "julialang.org") @async begin conn = connect(hostname, 80) write(conn, "GET / HTTP/1.1\r\nHost:$(hostname)\r\n\r\n") readline(conn, keep=true) println("Finished connection to $(hostname)") delays=rand(5:10, 2)) retry(f, delays=Base.ExponentialBackOff(n=3, first_delay=5, max_delay=1000)) retry(http_get, check=(s,e)->e.status == "503")(url) retry(read, check=(s,e)->isa(e, IOError))(io, 128; all=false) These pairs are passed as headers when downloading URLs with protocols that supports them, such as HTTP/S. The timeout keyword argument specifies a timeout for the download to complete in seconds, with

com", "github.com", "julialang.org") @async begin conn = connect(hostname, 80) write(conn, "GET / HTTP/1.1\r\nHost:$(hostname)\r\n\r\n") readline(conn, keep=true) println("Finished connection to $(hostname)") delays=rand(5:10, 2)) retry(f, delays=Base.ExponentialBackOff(n=3, first_delay=5, max_delay=1000)) retry(http_get, check=(s,e)->e.status == "503")(url) retry(read, check=(s,e)->isa(e, IOError))(io, 128; all=false) These pairs are passed as headers when downloading URLs with protocols that supports them, such as HTTP/S. The timeout keyword argument specifies a timeout for the download in seconds, with a resolution

com", "github.com", "julialang.org") @async begin conn = connect(hostname, 80) write(conn, "GET / HTTP/1.1\r\nHost:$(hostname)\r\n\r\n") readline(conn, keep=true) println("Finished connection to $(hostname)") Main binary filename not available. Serving web UI on http://localhost:62261 "alloc-profile.pb.gz" Then you can view the profile by navigating to http://localhost:62261, and the profile is saved to disk delays=rand(5:10, 2)) retry(f, delays=Base.ExponentialBackOff(n=3, first_delay=5, max_delay=1000)) retry(http_get, check=(s,e)->e.status == "503")(url) retry(read, check=(s,e)->isa(e, IOError))(io, 128; all=false)

com", "github.com", "julialang.org") @async begin conn = connect(hostname, 80) write(conn, "GET / HTTP/1.1\r\nHost:$(hostname)\r\n\r\n") readline(conn, keep=true) println("Finished connection to $(hostname)") Main binary filename not available. Serving web UI on http://localhost:62261 "alloc-profile.pb.gz" Then you can view the profile by navigating to http://localhost:62261, and the profile is saved to disk delays=rand(5:10, 2)) retry(f, delays=Base.ExponentialBackOff(n=3, first_delay=5, max_delay=1000)) retry(http_get, check=(s,e)->e.status == "503")(url) retry(read, check=(s,e)->isa(e, IOError))(io, 128; all=false)

@async begin conn = connect(hostname, 80) CHAPTER 21. NETWORKING AND STREAMS 288 write(conn, "GET / HTTP/1.1\r\nHost:$(hostname)\r\n\r\n") readline(conn, keep=true) println("Finished connection to $(hostname)") delays=rand(5:10, 2)) retry(f, delays=Base.ExponentialBackOff(n=3, first_delay=5, max_delay=1000)) retry(http_get, check=(s,e)->e.status == "503")(url) retry(read, check=(s,e)->isa(e, IOError))(io, 128; all=false) These pairs are passed as headers when downloading URLs with protocols that supports them, such as HTTP/S. The timeout keyword argument specifies a timeout for the download in seconds, with a resolution

@async begin conn = connect(hostname, 80) CHAPTER 21. NETWORKING AND STREAMS 288 write(conn, "GET / HTTP/1.1\r\nHost:$(hostname)\r\n\r\n") readline(conn, keep=true) println("Finished connection to $(hostname)") delays=rand(5:10, 2)) retry(f, delays=Base.ExponentialBackOff(n=3, first_delay=5, max_delay=1000)) retry(http_get, check=(s,e)->e.status == "503")(url) retry(read, check=(s,e)->isa(e, IOError))(io, 128; all=false) These pairs are passed as headers when downloading URLs with protocols that supports them, such as HTTP/S. The timeout keyword argument specifies a timeout for the download in seconds, with a resolution

@async begin conn = connect(hostname, 80) CHAPTER 21. NETWORKING AND STREAMS 288 write(conn, "GET / HTTP/1.1\r\nHost:$(hostname)\r\n\r\n") readline(conn, keep=true) println("Finished connection to $(hostname)") delays=rand(5:10, 2)) retry(f, delays=Base.ExponentialBackOff(n=3, first_delay=5, max_delay=1000)) retry(http_get, check=(s,e)->e.status == "503")(url) retry(read, check=(s,e)->isa(e, IOError))(io, 128; all=false) These pairs are passed as headers when downloading URLs with protocols that supports them, such as HTTP/S. The timeout keyword argument specifies a timeout for the download in seconds, with a resolution