From d404d455a63b6ee9025f338e6f5fe4e048c0a411 Mon Sep 17 00:00:00 2001 From: ostrichb Date: Sat, 12 Nov 2022 03:27:45 +0000 Subject: [PATCH] added answers --- answers/Task1.playground/Contents.swift | 30 +++++ .../Task1.playground/contents.xcplayground | 4 + .../contents.xcworkspacedata | 7 ++ .../UserInterfaceState.xcuserstate | Bin 0 -> 13506 bytes answers/Task1.playground/timeline.xctimeline | 10 ++ .../xcschemes/xcschememanagement.plist | 16 +++ .../Contents.swift | 22 ++++ .../timeline.xctimeline | 10 ++ .../Task2.playground/contents.xcplayground | 4 + .../contents.xcworkspacedata | 7 ++ .../UserInterfaceState.xcuserstate | Bin 0 -> 15764 bytes .../xcschemes/xcschememanagement.plist | 16 +++ answers/Task3.playground/Contents.swift | 21 ++++ .../Task3.playground/contents.xcplayground | 4 + .../contents.xcworkspacedata | 7 ++ .../UserInterfaceState.xcuserstate | Bin 0 -> 13013 bytes answers/Task3.playground/timeline.xctimeline | 26 +++++ answers/Task4.playground/Contents.swift | 91 +++++++++++++++ .../Task4.playground/contents.xcplayground | 4 + .../contents.xcworkspacedata | 7 ++ .../UserInterfaceState.xcuserstate | Bin 0 -> 15361 bytes answers/Task4.playground/timeline.xctimeline | 26 +++++ .../xcschemes/xcschememanagement.plist | 16 +++ answers/Task5.playground/Contents.swift | 105 ++++++++++++++++++ .../Task5.playground/contents.xcplayground | 4 + .../contents.xcworkspacedata | 7 ++ .../UserInterfaceState.xcuserstate | Bin 0 -> 16683 bytes answers/Task5.playground/timeline.xctimeline | 30 +++++ 28 files changed, 474 insertions(+) create mode 100644 answers/Task1.playground/Contents.swift create mode 100644 answers/Task1.playground/contents.xcplayground create mode 100644 answers/Task1.playground/playground.xcworkspace/contents.xcworkspacedata create mode 100644 answers/Task1.playground/playground.xcworkspace/xcuserdata/ostrichb.xcuserdatad/UserInterfaceState.xcuserstate create mode 100644 answers/Task1.playground/timeline.xctimeline create mode 100644 answers/Task1.playground/xcuserdata/ostrichb.xcuserdatad/xcschemes/xcschememanagement.plist create mode 100644 answers/Task2.playground/Pages/Untitled Page.xcplaygroundpage/Contents.swift create mode 100644 answers/Task2.playground/Pages/Untitled Page.xcplaygroundpage/timeline.xctimeline create mode 100644 answers/Task2.playground/contents.xcplayground create mode 100644 answers/Task2.playground/playground.xcworkspace/contents.xcworkspacedata create mode 100644 answers/Task2.playground/playground.xcworkspace/xcuserdata/ostrichb.xcuserdatad/UserInterfaceState.xcuserstate create mode 100644 answers/Task2.playground/xcuserdata/ostrichb.xcuserdatad/xcschemes/xcschememanagement.plist create mode 100644 answers/Task3.playground/Contents.swift create mode 100644 answers/Task3.playground/contents.xcplayground create mode 100644 answers/Task3.playground/playground.xcworkspace/contents.xcworkspacedata create mode 100644 answers/Task3.playground/playground.xcworkspace/xcuserdata/ostrichb.xcuserdatad/UserInterfaceState.xcuserstate create mode 100644 answers/Task3.playground/timeline.xctimeline create mode 100644 answers/Task4.playground/Contents.swift create mode 100644 answers/Task4.playground/contents.xcplayground create mode 100644 answers/Task4.playground/playground.xcworkspace/contents.xcworkspacedata create mode 100644 answers/Task4.playground/playground.xcworkspace/xcuserdata/ostrichb.xcuserdatad/UserInterfaceState.xcuserstate create mode 100644 answers/Task4.playground/timeline.xctimeline create mode 100644 answers/Task4.playground/xcuserdata/ostrichb.xcuserdatad/xcschemes/xcschememanagement.plist create mode 100644 answers/Task5.playground/Contents.swift create mode 100644 answers/Task5.playground/contents.xcplayground create mode 100644 answers/Task5.playground/playground.xcworkspace/contents.xcworkspacedata create mode 100644 answers/Task5.playground/playground.xcworkspace/xcuserdata/ostrichb.xcuserdatad/UserInterfaceState.xcuserstate create mode 100644 answers/Task5.playground/timeline.xctimeline diff --git a/answers/Task1.playground/Contents.swift b/answers/Task1.playground/Contents.swift new file mode 100644 index 0000000..e845d5c --- /dev/null +++ b/answers/Task1.playground/Contents.swift @@ -0,0 +1,30 @@ +import Foundation + +func printValue(_ n: Int) { + print("The value of n is \(String(n))") +} + +func countLength(_ n: String) { + print("The length of n is \(n.count)") +} + +func varProcessor(_ n: Any) { + let nInt = n as? Int ?? 0 // 如果n是整形数，nInt将会被赋予n的值 + let nString = n as? String ?? "" // 如果n是字符串，nString将会被赋予n的值 + switch n{ + case is Int: + // 如果n是整形，这里的代码将会被执行 + printValue(nInt) + case is String: + // 如果n是字符串，这里的代码将会被执行 + countLength(nString) + default: + print("An error occurred.") + } +} + +let test: [Any] = [0, 2, 0.2, "Hello"] + +for item in test { + varProcessor(item) +} diff --git a/answers/Task1.playground/contents.xcplayground b/answers/Task1.playground/contents.xcplayground new file mode 100644 index 0000000..1c968e7 --- /dev/null +++ b/answers/Task1.playground/contents.xcplayground @@ -0,0 +1,4 @@ + + + + \ No newline at end of file diff --git a/answers/Task1.playground/playground.xcworkspace/contents.xcworkspacedata b/answers/Task1.playground/playground.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..ca3329e --- /dev/null +++ b/answers/Task1.playground/playground.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,7 @@ + + + + + diff --git a/answers/Task1.playground/playground.xcworkspace/xcuserdata/ostrichb.xcuserdatad/UserInterfaceState.xcuserstate b/answers/Task1.playground/playground.xcworkspace/xcuserdata/ostrichb.xcuserdatad/UserInterfaceState.xcuserstate new file mode 100644 index 0000000000000000000000000000000000000000..7534f1c4d4a68537671e1ea9e5b3e152bfc67eef GIT binary patch literal 13506 zcmds7d0bOh_P_VO1R;d*vXBJa5|R*9f(bj;g?dinu?srg$ht1szr5Z zHkyO#(OfhS%|{E+VzdM;MaxhJ>O^ahAFV|}6h%E~GunbE>PKgxbI`fyB6Kmj1nojs zpsUaxG=K)t!{`z8D0&P%j-EhIqNmW)=o$1ZdJY{#&!d;nVe}e$2fd5lL+_&x(1++t z^cDIVeS`jmen3B?UogQcoQ}0P6KCNG*o4j4j&pGyc48MU#^rbho{6h)6L#Zf+=5&2 zV!Q+|#a`To+i@rE#i!!a@mY8~J{zBpFTsDnJMras7rqMb!F%z|_%3`eeh@!|AI6X4 zzv8#>-|*Y`@Aw`3E`ATck3Ya4;*apB_-p(P{uUp@KN60}h@2#o6rv!hL`!regXoEY zj3whpE}29olPM&Rl#y~WjhsTJlPXe8=8z`hCe36O@u2U?YSKYE$vP4uXOL~=OmY_4 zPR=IhkaNj-UuiE`u|2R?f!daCR=2o5W4#rf@Fq6mB{r^xbxQu zeUWAG8RN88YkR;Oi3}n&(ojOVL8L<&R7M}BCJ%3Qx{3>GYs!ipuJWQPM^SZojiao_ zRqiM)udXgEEUhbZ6_$8-U42dM;!t>9q}$sr)P&l5x`bdfzHk=GMw72YW6?M?9!)?K zkqMcpoF>sRG?}JQ1x>vUS&$Xkpo1OdB0E*mH2NTPaM29-x36Ne`-8qvZ(Z2iC3yIm zBbRITwpE9M(Qqgb5W=34qVjTAO@_%91jt%jMy7 zM@}G3?P+i~36W?h>}?AOqJY(Sqh1d`5xQ2kM?pdp2OPa3pOe@gG*o%Ri@lLnf5Z>d zEcQp&xc$M-fB-EXK6AKZC=_V(hU?=UJ-l(aO`K#zlVS7bf|8;D(IRS~Mw&T<+^89~&@7ruC$YVn zmb8a_LOzV2=a1$m7Rpat4{X#e1YkpgFVPB`bapt@(=9cC-i^dpT#iy~vB&P&@L{iPTK9;T=}i)%gQaAuKXSRo?>G1?Xm2ZN4`WO{~Nodw6|I zu;ZkijnW)~ucdzUJn{XkLjk1Uvxk}vqY&yw>rr@_B%ncH{Uy>@A+n;uUE>F?3KMD4Gt5mqzW!9fCW9j`1}%pp8gBfO@HA0QFHT6LiLZCmnMbRL53yDmu-> zX93}vbTl%f)+BU?g$Rhbm+gY)P}@Q^UfUKoc$jc9xxqMLsXr=oi6;eK0X-9~Y;PAL z5y1!2C9I0HGqG(9MS!J3!IhENwbjFz$ljzhwf69s

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zJ=w0ZXV?vPlihBgWS?Tsw>#}K>^1f}`yBgR`y#vB-eO;DUur+yew+QT_7ChI*}t{_ zX#d%MJQwFC=PGiQx#_v;+^k%4?&Q4kyi@Y#66z_Hh{FXo6q`jWl4t + + + + + + diff --git a/answers/Task1.playground/xcuserdata/ostrichb.xcuserdatad/xcschemes/xcschememanagement.plist b/answers/Task1.playground/xcuserdata/ostrichb.xcuserdatad/xcschemes/xcschememanagement.plist new file mode 100644 index 0000000..7fdf092 --- /dev/null +++ b/answers/Task1.playground/xcuserdata/ostrichb.xcuserdatad/xcschemes/xcschememanagement.plist @@ -0,0 +1,16 @@ + + + + + SchemeUserState + + Task1 (Playground).xcscheme + + isShown + + orderHint + 0 + + + + diff --git a/answers/Task2.playground/Pages/Untitled Page.xcplaygroundpage/Contents.swift b/answers/Task2.playground/Pages/Untitled Page.xcplaygroundpage/Contents.swift new file mode 100644 index 0000000..523a635 --- /dev/null +++ b/answers/Task2.playground/Pages/Untitled Page.xcplaygroundpage/Contents.swift @@ -0,0 +1,22 @@ +import Foundation + +func varProcessor(_ n: Any, intProcess: (Int) -> Void, strProcess: (String) -> Void) { + let nInt = n as? Int ?? 0 // 如果n是整形数，nInt将会被赋予n的值 + let nString = n as? String ?? "" // 如果n是字符串，nString将会被赋予n的值 + switch n{ + case is Int: + // 如果n是整型，这里的代码将会被执行 + intProcess(nInt) + case is String: + // 如果n是字符串，这里的代码将会被执行 + strProcess(nString) + default: + print("An error occurred.") + } +} + +let test: [Any] = [0, 2, 0.2, "Hello"] + +for item in test { + varProcessor(item, intProcess: {print("The value of n is \(String($0))")}, strProcess: {print("The length of n is \($0.count)")}) +} diff --git a/answers/Task2.playground/Pages/Untitled Page.xcplaygroundpage/timeline.xctimeline b/answers/Task2.playground/Pages/Untitled Page.xcplaygroundpage/timeline.xctimeline new file mode 100644 index 0000000..b04035f --- /dev/null +++ b/answers/Task2.playground/Pages/Untitled Page.xcplaygroundpage/timeline.xctimeline @@ -0,0 +1,10 @@ + + + + + + + diff --git a/answers/Task2.playground/contents.xcplayground b/answers/Task2.playground/contents.xcplayground new file mode 100644 index 0000000..1c968e7 --- /dev/null +++ b/answers/Task2.playground/contents.xcplayground @@ -0,0 +1,4 @@ + + + + \ No newline at end of file diff --git a/answers/Task2.playground/playground.xcworkspace/contents.xcworkspacedata b/answers/Task2.playground/playground.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..ca3329e --- /dev/null +++ b/answers/Task2.playground/playground.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,7 @@ + + + + + diff --git a/answers/Task2.playground/playground.xcworkspace/xcuserdata/ostrichb.xcuserdatad/UserInterfaceState.xcuserstate b/answers/Task2.playground/playground.xcworkspace/xcuserdata/ostrichb.xcuserdatad/UserInterfaceState.xcuserstate new file mode 100644 index 0000000000000000000000000000000000000000..a4d311424be0523a6a8a6641fce6444227276e08 GIT binary patch literal 15764 zcmeHOd3;k<_P`};T>Zkd7d@ZH1Mz5pcXhdUu#2fK3yekz?KoTTHBhe@{8s#7>vLQRlMR~}9 z@{to&qAD~6O-0q{EHn*GM>EiDGzZN^^H3{lL+!|q7NY=)pl-AhtwIb%(M9M|bQ!uD zU4yPg8_-SYX0#dgqCWH}dJH{|o`dK-O&K1QFQ zPto7eXXsn>9r_*}MaR%j=r{B`CRm2$SdGWvu{Z-8a3;>eCTzoYoR14|AwC07#^tyI zPsMZaTs#lY#|!X6ya;=+A1}sBa0l+fA>567@M?S^z7$`HufiMgCVVr#1>cJA#@q0A zyaVsVyYc<_0sIJl4nL1yzz6Xg=tuk}eiy%oKg6HnpYbvL3;q=!$G_p<@d<*6m<%H- zGMbDbX=FSxk}P5&Ii!+Qktt*a+rKcj*x$lugKTrdvc7Npok8qBWN;JQWdpPJI$qe)Isy9le(yz7SKXk zL?_a6T0tx6G&-F&&_=qDE~4$!PZ!fAG)yD3oA%IE^n7|Ty@Xy$ucX(|>*z+hiQY=@ zrrYRtx`XbdyXZZ1H@%-eL7${g(WmJ%^jZ2EeVrblZ_>Zh&*le z^f)~s5{r@>GXvcn9S2bgk|8-#AQjTiuBo>#@%4n~!QU8yXJs~bc*Eg7l!}y$FxrRI zNW(hn{K|?Vx6M)PDzmxDiz{qJ6^>$CVR3o6(^*(mv6zb}V%Gtrt zl5m%|*;f&4?(XyjB5}oIkRDmKqOoWkN<--=1L@Fsmc+zt7#q$;uw*9LiVP?d8KHp* znURS}Sqi%r8aS8+{+kwY(*1#!;PR@Fx6|iQOd71N!P`_G3`9b~jt*bQQ{XBtc2raq z*(%HPDr~N@Vz;fRveIEIEOX}-7L*ngf=q&Re}YzQ8Utky~IlDnNy(2o<9V z=nN)fa;9LZOvzMCy%m;q5}J%kP$?{NIV`J|g(Hs%WJ&L{B2%X z1>sWSYiY;_Ymo}A8YBJ=f5h(#&-S-O+J$D-fp8ZX!(eEjS)%8lW}JdV_k|#eXfKhm~mz*xvweiNim_KB&Tb_Tz|yZ$V45a~^BZ19Gcdy@NM{c0xh8-+7uzg@*ybv93%UbsLp#xZ=mGQydJTPm zzCd50Zy_=n22n{i#36-v0xrRo5P`How9$>1<5hSaL>F5jwzvmB2{FZA@nQTu#1Fp{ zOp-|o(UJ^d6a>eHc1G-P><@`;wKeDhk0PsbMOTO51!i_fI{X3OEWdBL5Z7_ok8Rt2 zv=&{6!l&KdqiFIpM5dI_auig|Y8cP~CM>^T;Oiij4Lx1HaA8cHXI8z(=@@9o!?_-e zb)c=f1@@r7)ep{3uoxGkOFRlyP5q4S2shvXGtrMO<_yJYSkSngxEx)HEWPLo2EQ7> z{(=oOp4$5I#?@XQ33WF|xzJ(<-N5Xer19NhU#K?ZYxRXf zzLs(@2W`PnPvwe;kKeJ?72yMX;Ia{I+RSo=x!r=UChZ`%*_f|AuD3VYyvxjO=M@XN!!tG zvYhJ7q?>2OC$2H&@`G(b;&8r3L=TTV7 ze67KduRPe<s2S}rFF!*lwB69_Mw;a%bH^q=c%iCKJ2T%ga(&x5}V2vmW$ zi3uAt3T14Sru$kW4Z%8pTYDmid>OsU;pY`r+Kc|e%DB}|g^iS0Mc!iwcsYnR^`SS= zo2;Bwv)nig4x#suwjaHN{)*mZ6|9m~^`rM8Ec$>=fpBOl(=7yX1AA!!_iZ3NQ@~g5 zVa@Qi1^kij7T?@N_+luz;Ls4Le~ylvr0E}^>1%ctXqv`3TRA^{0SMd!FqABKoR^_M z2hl:!ftgq-YWm}E_T;@MC41={$KYtXe>-i~gc0xJ-!5q8Kg=-2s!?)RbNC_MPW zyqR6TKy?5D(nJJw0_>s%A`a7Am|_u5LUJqydpjJDz{yyGr8os#Ydor-9&F|v{-S}k z5^$+W#9wv6U<9HZpKu*|c6$ARf#zHw%)xnPYh32QJ+^=~Fb`{D^=!UJk(;nJ0*t|$ zanD&0I1uk8tPcPDu>!05a4J@^MmC4dJBT${3o{yt_Tka<1~fJDV_>sjAJ1Mm#D(+g zh{xeHk767=rvcLsdN_M4Y(;;l52tg+^iSKwwd*+TY%Zrvh*^Y(bsIMJan?(9{t4mV zL2QPxW@8J^!PfaLu}rG5Zu;DazZ23EZ)X=<$QCi=QOtq((l;SDH<#P`;oM*tM%Ucl zlv@#89_R>qTf(_~aAfaF?Dt$QKndr@Cu_{l<1W}&G!HcCf(yd@b8#MQQ-FQ^A;lkj zA9irlKGiJ<6|ob$uzMaCs0qu(yzCq>TBkosL46S}o)607FzN#aB|P|o&}t$+Q%L59 z;A7y44K-kWcoH{qF8MpH_A%1|;YO*jKOoTLJQA)%n|g5-YfV@eT#ajyA86r|ku=D%x;t99T&otc|2p5&ZomzA3oa!OD`&w98=9(STF=}4+S^*tpL`nq6cyl ze{=kbut=R))r$ix%;vogOSY6nghv*}ky$nMH88Y397ckR$IG|{UCx$)o5$xu>y>yF zWF*bq5Euj^Ll%G=1zXN~-oWSK^D%?AR{m!#n92a3yvB?~4bK$FVar4Yg+O3?;+tv+ z1i01=m^JuWA&m1Pe6hf5oTR=FU&6tN<2+8fC-l7xU+z(8{&=5%c76B?uJfsHa*iSP zEIoqg_|sa4uY)8NUyZN9*W&eT6>{>~UCm5$IN!;6DnUoW zKPJ5FJi*6u*qO_FSgvtg&24xKr)D$m#eKM+McEp50b9ETID>r{I0OLfOm-nSF#yNd zSrC12@g+D(-*OIa;X3bf-W|dG#tgk1OY7>JgIy4U=!V?ny9Yy&3Lhkc{w_c{^w$n) z!b|7kVF6jYuxc|Hc7fNzd+@yw8Q{I_;$FOuUGgW90e%o71N;!)&n{(G4D8)U@soe_ z*Z3)9#?P?JV5*lhU1CiQB`b7;T|Isgzj{*Fzd+a5*_F`sDyAD)VnaztaPjeRzl9HR z<9?f6(+iu9-*BlwWQBtrK7k_O9?=2(K0y3$_ydl(YXL%PW~zAO&>UMl%=+K5)E_96 z!$%}bq>w!;Qk5z-J%F082^M8CmE8n}EHHXLwf!VQ5r z^M!y`=i9)mLFjyqm?2Xmc6~InZhi5<>02ZXCzRDls2!wD~5S%G+O(UUEpwk-w z@6$3!RXzkR{Wy@EtTFnH; 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NSRegularExpression(pattern: "^\\d{13}$", options: [NSRegularExpression.Options.anchorsMatchLines]) + let matchRange = NSRange(ID.startIndex.. Bool { + // 以下的内容将能够判断名为 ID 的字符串是否满足13位数字，以20xx开头，第5位为1-3的情况，可以直接照搬 + let reFormula = try! NSRegularExpression(pattern: "^20\\d{2}[1-3]\\d{8}$", options: [NSRegularExpression.Options.anchorsMatchLines]) + let matchRange = NSRange(ID.startIndex.. Bool { + // 以下的内容将能够判断名为 ID 的字符串是否满足13位数字，开头为0000的情况，可以直接照搬 + let reFormula = try! 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(Playground).xcscheme + + isShown + + orderHint + 0 + + + + diff --git a/answers/Task5.playground/Contents.swift b/answers/Task5.playground/Contents.swift new file mode 100644 index 0000000..3b94478 --- /dev/null +++ b/answers/Task5.playground/Contents.swift @@ -0,0 +1,105 @@ +import Foundation + +enum InsufficientEnergy:Error { + case crazyThursdayVMe50 +} + +class Entity { + let ID, name: String + init?(id ID: String, name: String) { + self.ID = ID + self.name = name + let reFormula = try! NSRegularExpression(pattern: "^\\d{13}$", options: [NSRegularExpression.Options.anchorsMatchLines]) + let matchRange = NSRange(ID.startIndex.. Void { + if Int.random(in: 1...7) == 7 { + throw InsufficientEnergy.crazyThursdayVMe50 + } + } + +} + +class Student: People { + override init?(id ID: String, name: String){ + super.init(id: ID, name: name) + let reFormula = try! 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