1. Swiftã®æŠèŠ
ããã°ã©ãã³ã°èšèªã®äžã€ãšããŠåºãç¥ãããŠãããSwiftãã«ã€ããŠè§£èª¬ããããŸããå€æ©èœãªãããåå¿è ã«ãåŠã³ãããç¹æ§ãåãããã®èšèªã¯ãå€ãã®ã¢ããªéçºè ããæ¯æãåããŠããŸããã§ã¯ãå ·äœçã«ãã®Swiftãšã¯äœãªã®ã§ããããïŒ
1.1 ã¹ã€ãããšã¯ïŒ
Swiftã¯ãã¢ã¡ãªã«ã®ITäŒæ¥ã§ããApple Inc.ãéçºããããã°ã©ãã³ã°èšèªã§ãã2014幎ã«åå ¬éãããiOSãmacOSãªã©ã®Apple補ããã€ã¹ã®ã¢ããªã±ãŒã·ã§ã³éçºã«å©çšãããŠããŸããAppleã®ã¢ããªéçºç°å¢ã§ããXcodeãSwiftã«å¯Ÿå¿ããŠãããããã¢ããªéçºè ã¯æ¯èŒç容æã«Swiftã®ã³ãŒããæžããã¢ããªã±ãŒã·ã§ã³ããã«ãããããšãå¯èœã§ãã
1.2 Swiftã®ç¹åŸŽ
Swiftã®æãé¡èãªç¹åŸŽã¯ãèªã¿ããããšæžããããã§ããSwiftã¯CèšèªãObjective-Cã«æ¯ã¹ãŠæ§æãã·ã³ãã«ã§ãè±èªã®èªç¶èšèªã«è¿ã圢ã«èšèšãããŠããŸããããã«ãããããã°ã©ã ãç解ãããããåå¿è ã§ãæ°è»œã«åŠã³å§ããããšãã§ããŸãã
ãŸããSwiftã¯é«éæ§ã«åªããŠããŸããæé©åãããã³ã³ãã€ã©ã«ãããé«æ§èœãªããã°ã©ã ãäœæããããšãå¯èœã§ããããã«ãå®å šæ§ãéèŠããèšèšã«ãªã£ãŠããããšã©ãŒãæªç¶ã«é²ãã¡ã«ããºã ãå€ãå«ãŸããŠããŸãã
1.3 Swiftã®å©çšç¯å²ãšæµè¡ã®èæ¯
Swiftã¯ãå ·äœçã«ã¯iPhoneãiPadãªã©ã®iOSããã€ã¹ãMacãªã©ã®macOSããã€ã¹ã®ã¢ããªã±ãŒã·ã§ã³éçºã§äž»ã«äœ¿çšãããŸãããŸãããµãŒããŒãµã€ãã®éçºã«ãçšãããããªã©ã䜿çšç¯å²ã¯åºããã€ã€ãããŸãã
ãã®æµè¡ã®èæ¯ã«ã¯ãå è¿°ã®ãããªSwiftã®ç¹æ§ã倧ããé¢äžããŠããŸããã§ãããããã ãã§ã¯ãããŸãããAppleãå ¬åŒã§æšå¥šããŠãããããApple補ããã€ã¹åãã®ã¢ããªã±ãŒã·ã§ã³éçºè ã«ãšã£ãŠã¯ãSwiftãåŠã¶ããšã¯äžå¯æ¬ ã«ãªã£ãŠããŸãããã®ãããæè¡è ã®éã§ã®Swiftã®äººæ°ã¯é«ãŸã£ãŠãããä»åŸããã®åŸåã¯ç¶ããšäºæ³ãããŸãã
2. Swiftè³æ Œã®éèŠæ§
çŸä»£ç€ŸäŒã§ã¯ãæ°å€ãã®ITäŒæ¥ãã¢ããªã±ãŒã·ã§ã³éçºã®ããã«Swiftèšèªãæ¡çšããŠããŸãããã®ãããSwiftè³æ ŒãååŸããããšã¯ããã£ãªã¢ãäžæ©é²ããã ãã§ãªããèªåèªèº«ã®ã¹ãã«ã»ããã匷åããéèŠãªæ段ãšãªãã®ã§ãã
2.1 Swiftè³æ ŒãååŸããã¡ãªãã
ãŸããSwiftè³æ ŒãååŸããæ倧ã®ã¡ãªããã¯ãããªããProficient in Swiftèšèªã§ããããšãäžã«ç€ºãããšãã§ããç¹ã§ããããã¯ãéçšåžå Žã«ãããŠåªäœã«ç«ã€ããšãå¯èœã«ããŸãããŸããè³æ ŒãååŸããéçšã§åŠã¶ç¥èãšæè¡ã¯ãå®éã®ä»äºã«ãããŠåœ¹ç«ã€ããšééããããŸãããããããžã§ã¯ãã«åãçµãäžã§ã®ä¿¡é Œæ§ãé«ããŸãã
2.2 Swiftè³æ Œã®çš®é¡ãšãã®ç¹åŸŽ
Swiftèšèªã«é¢ããè³æ Œã¯ãååŸããç¥èã®æ·±ããšç¯å²ã«ãã£ãŠããã€ãã«åããããŸããäžäŸãšããŠã“Swift Certified User”ã¯Swiftèšèªã®åºæ¬çãªç¥èãšããã°ã©ãã³ã°ã¹ãã«ãèªå®ããŸããæŽã«äžæ©é²ãã è³æ ŒãšããŠã¯ã“Certified Swift Developer”ããããŸããããã¯ãSwiftèšèªã䜿çšããã¢ããªã±ãŒã·ã§ã³éçºã®ã¹ãã«ãèªå®ãããã®ã§ãçŸå Žã§å³æŠåãšããŠæŽ»èºã§ããããšã蚌æããŸãã
2.3 Swiftè³æ ŒååŸè ã®éèŠãšå°æ¥æ§
æè¡é²åã®ã¹ããŒããéãITæ¥çã«ãããŠãSwiftèšèªã¯Appleã®iOSããã€ã¹åãã¢ããªã®éçºã«ãããŠäž»èŠãªåœ¹å²ãæãããŠããŸãããã®ãããSwiftèšèªã®ã¹ãã«ãšè³æ Œã¯ãåŸäºãããããžã§ã¯ãã®å¹ ãåºããããšãã§ããŸããããããäŒæ¥ãããžã¿ã«åãé²ããäžã§ãSwiftèšèªããã¹ã¿ãŒãããã®ããšã蚌æã§ããè³æ Œãæã€ããšã§ãããªãèªèº«ã®ãã£ãªã¢ã®å°æ¥æ§ã¯å€§ããæããã§ãããã
3. Swiftè³æ ŒååŸã®ããã®åŠç¿æ¹æ³
äžè¬çã«ããã°ã©ãã³ã°ã®åŠç¿ã§ã¯ãå¹ççãªãªãœãŒã¹ã®æŽ»çšãšç¶ç¶çãªåŠç¿ãéèŠã«ãªããŸããSwiftè³æ ŒãååŸããããã«ãããã®äž¡æ¹ãæ±ããããŸããä»åã¯Swiftè³æ ŒååŸã«æçãªåŠç¿ãªãœãŒã¹ãå¹ççãªåŠç¿æ³ããããŠå®æçãªã¹ãã«ã¢ããã®æ¹æ³ã解説ããŸãã
3.1 ããããã®åŠç¿ãªãœãŒã¹
äžã€ç®ãšããŠãå ¬åŒããã¥ã¡ã³ããŒã·ã§ã³ãããããã§ããAppleããæäŸãããŠããSwiftã®å ¬åŒããã¥ã¡ã³ããŒã·ã§ã³ã¯åå¿è ããäžçŽè ãŸã§å¹ åºãæ å ±ãæäŸããŠããŸãã
次ã«ããªã³ã©ã€ã³æè²ãµãŒãã¹ãéåžžã«æçšã§ããUdemyãCoursera, edXãšãã£ããµãŒãã¹ã§ã¯ãå ·äœçãªãããžã§ã¯ããéããŠSwiftã®äœ¿çšæ³ãåŠã¶ããšãã§ããŸãã
ãŸããæžç±ãåŠç¿ã®è¯ãããŒãããŒã«ãªããŸããç¹ã«ããSwiftããã°ã©ãã³ã°ã®æç§æžããªã©ã¯å§ããããã®åºç€ããå¿çšãŸã§ãå¹ åºãã«ããŒããŠããŸãã
3.2 å¹ççãªåŠç¿æ³
å®æŠååŠç¿ã¯ããã°ã©ãã³ã°ã®åŠç¿æ¹æ³ã®äžã§ãç¹ã«å¹ççãªã¢ãããŒããšãããŠããŸããå ·äœçãªãããžã§ã¯ããäœããªããåŠãã§ããããšã§ãçè«ã ãã§ãªãå®è·µçãªã¹ãã«ã身ã«çããããšãã§ããŸãã
ãŸããå®æçãªåŸ©ç¿ãåŠç¿å¹æãé«ããéèŠãªèŠçŽ ã§ããå®æçã«éå»ã«åŠãã å 容ã埩ç¿ãçŽãããšã§ãç¥èã®å®çãå³ããŸãããã
æåŸã«ã仲éãšã®åŠç¿ã¯æ å ±äº€æãåºæ¿ã«ãªããŸããä»ã®åŠç¿è ãšæ å ±ãå ±æãããããã£ã¹ã«ãã·ã§ã³ãè¡ãããšã§èŠéãåºããããšãã§ããŸãã
3.3 å®æçãªã¹ãã«ã¢ããã®æ¹æ³
ç¥èã®å®çãšæ°ããæ å ±ã®ãã£ããã¢ããã®äž¡æ¹ãç®æãããã«ã¯ãå®æçãªåŠç¿ãšã¢ããããŒããäžå¯æ¬ ã§ããAppleãæäŸããå ¬åŒããã¥ã¡ã³ããŒã·ã§ã³ã®æŽæ°æ å ±ã確èªããããSwiftã®ææ°ãã¬ã³ããæããããã®ãã¥ãŒã¹ãµã€ãããã©ããŒããŸãããã
ãŸããã³ãŒãã¬ãã¥ãŒããã¢ããã°ã©ãã³ã°ãå¹æçãªã¹ãã«ã¢ããã®æ¹æ³ã§ããä»ã®ããã°ã©ãã®ã³ãŒããè©äŸ¡ããããšã§ãèªåèªèº«ã®ã³ãŒãã£ã³ã°ã¹ãã«ãåäžãããããšãã§ããŸããäžæ¹ããã¢ããã°ã©ãã³ã°ã®çµéšã¯ãããŒã ã§éçºããéã®å調æ§ãè²ãŠãã ãã§ãªããæ°ããªç¥èãèŠç¹ãåŸãããšãã§ããŸãã
æåŸã«ãå®éã®ãããžã§ã¯ãã«åãçµãããšã¯çè«ãšå®è·µã®éã®ã®ã£ãããåããSwiftã«é¢ããæ·±ãç解ã«ã€ãªãããŸããå ·äœçãªã¢ããªã±ãŒã·ã§ã³ãéçºãããã®éçšã§ééãã課é¡ã解決ããããšã§ãããã°ã©ãã³ã°ã¹ãã«ãå šäœçã«åäžãããããšãã§ããŸãã
4. Swiftè³æ Œã®è©Šéšå 容ãšå¯Ÿç
ãããŠèå¿ãªã®ãããã®Swiftã®è³æ Œè©Šéšã®å 容ãšå¯Ÿçã«ã€ããŠã§ããæ£ããç解ããé©åãªæºåãè¡ãããšã§ãè©Šéšåæ Œã®ç¢ºçã¯å€§å¹ ã«äžãããŸãã
4.1 åè³æ Œã®è©Šéšå 容ã®è©³çŽ°
ãŸãåãã«ãSwiftã®è³æ Œè©Šéšã«ã¯ããã€ãã®çš®é¡ããããããããã§è©Šéšã®å 容ã圢åŒãç°ãªããŸããäŸãã°ãAppleèªå®ã®ãSwiftèªå®ããããããè©Šéšã¯ãåºæ¬çãªSwiftããã°ã©ãã³ã°ã¹ãã«ãåããã«ããã§ã€ã¹åœ¢åŒã®è©Šéšã§ããäžæ¹ã§ããSwiftã¬ãã«ã¢ããè³æ Œè©Šéšãã§ã¯ãããå¿çšçãªç¥èãã¹ãã«ãæ±ããããŸãã
ãŸããåè©Šéšã«ã¯ããããç¬èªã®åºé¡ç¯å²ãåé¡åœ¢åŒãååšããŸãã詳现ãªå 容ã¯åè©Šéšã®å ¬åŒãŠã§ããµã€ãçã§ç¢ºèªããŸãããã
4.2 åéšããããã®å¿ èŠãªç¥èãšã¹ãã«
Swiftã®è³æ Œè©Šéšãåéšããããã«ã¯ãSwiftã®åºæ¬çãªææ³ãæ§æãããŒã¿åãå¶åŸ¡æ§é ãé¢æ°ããªããžã§ã¯ãæåãªã©ã®ç解ãå¿ èŠã§ããããã«ãiOSã¢ããªã±ãŒã·ã§ã³éçºã®ãã¹ããã©ã¯ãã£ã¹ããã¶ã€ã³ãã¿ãŒã³ãã¡ã¢ãªç®¡çãããã©ãŒãã³ã¹ãã¥ãŒãã³ã°ãªã©ãçŸå Žã§æ±ããããå®è·µçãªã¹ãã«ãåãããŸãã
ãããã®ç¥èãã¹ãã«ãããçšåºŠèº«ã«ã€ããŠããã°ãåæ Œãžã®éçã¯èŠããŠããŸãã
4.3 è³æ Œè©Šéšã«å¯Ÿããæå¹ãªå匷æ³
è³æ Œè©Šéšã«å¯Ÿããå匷æ³ã«ã€ããŠã¯äººããããã§ãããå ±éããŠèšããã®ã¯ããåè©Šéšã®å ¬åŒã¬ã€ãã©ã€ã³ãåºé¡ç¯å²ã«æ²¿ã£ãåŠç¿ãè¡ãããšãããå®éã®ã³ãŒããæžããŠã¿ãå®è·µçãªåŠç¿ãããããšãããéå»åé¡ã解ããŠèªåã®åŒ±ç¹ãææ¡ãããããäžå¿ã«åŠç¿ãé²ããããšãã®ã»ããè©Šéšç¹æã®åé¡è§£çæè¡ãæéé åãªã©ã®è©Šéšå¯ŸçãããããšãéèŠã ãšèšããŸãã
æºåæéã人ããããã§ã¯ãããŸãããé 調ã«åŠç¿ãé²ãããããããèªåã®ããŒã¹ã«åãããã¹ã±ãžã¥ãŒã«ãç«ãŠãã³ãã³ããšåŠç¿ãéããŠããããšã倧åã§ãã
5. Swiftè³æ Œè©Šéšã®ç³ã蟌ã¿ããåéšãŸã§ã®æµã
Swiftã®è³æ Œè©Šéšã«ãã£ã¬ã³ãžããããšèããŠããæ¹ãå€ãããã£ãããã§ããããããããè©Šéšç³ã蟌ã¿ã®æ¹æ³ããè©Šéšåœæ¥ã®æã¡ç©ãè©Šéšçµæã®ç¢ºèªæ¹æ³ã«ã€ããŠã¯è©³ããç¥ããªããšããæ¹ãå°ãªããªããšæããŸããããã§ãã®ç« ã§ã¯ããã®ç¹ã«ã€ããŠè©³ãã解説ããããŸãã
5.1 è³æ Œè©Šéšãžã®ç³ã蟌ã¿æ¹æ³
ãŸããSwiftã®è³æ Œè©Šéšãžã®ç³ã蟌ã¿æ¹æ³ã§ããã倧ãŸãã«ã¯ãªã³ã©ã€ã³ã§ã®ç³ã蟌ã¿ãåºæ¬ãšãªããŸããåçš®è³æ Œè©Šéšæ¯ã«å ¬åŒãŠã§ããµã€ããååšããããããç³ã蟌ãäºãå¯èœã§ããç³ã蟌ã¿ã®éã«ã¯å人æ å ±ã®å ¥åãéžæããè©Šéšã®æ¯æããè¡ãå¿ èŠããããŸãã®ã§ãããã«æ³šæãå¿ èŠã§ãã
5.2 è©Šéšåœæ¥ã®æã¡ç©ãšæ³šæç¹
è©Šéšåœæ¥ã«æã¡èŸŒãã¹ããã®ã泚æç¹ã«ã€ããŠã§ããããŸã身åã蚌æãããã®ãšããŠé転å 蚱蚌ããã¹ããŒããªã©ã®å ¬çãªèº«å蚌ææžãå¿ èŠãšãªããŸãããŸããçèšè©Šéšã®å Žåã¯çèšçšå ·ããå®æè©Šéšã®å Žåã¯èªèº«ã®ããœã³ã³ãæåããããšãæ±ããããŸããããã«è©Šéšæéã«é å»ããªããããæ©ãã«äŒå Žã«å°çããããšãå¿ èŠã§ãã
5.3 è©ŠéšåŸã®çµæ確èªãšæ¬¡ã®ã¹ããã
è©ŠéšçµäºåŸã®çµæ確èªã¯äž»ã«ãªã³ã©ã€ã³ã§è¡ãããŸããè©ŠéšçµäºåŸæ°æ¥~æ°é±éåŸã«ããããã®å ¬åŒãŠã§ããµã€ãã«ãŠçµæã®æäŸãå§ãŸããŸãã®ã§ãé©å®ç¢ºèªããŠãã ãããçµæã«ãã£ãŠã¯ååéšãå¿ èŠãšãªãå ŽåããããŸãã®ã§ããã®éã®è¿œå è²»çšãåéšæ¥çšã«ã€ããŠã確èªããŸããããè³æ ŒååŸåŸã¯ããã®ã¹ãã«ã掻ããããã®ãã£ãªã¢ãã«ãå§ããè¯ãã¿ã€ãã³ã°ãšãªããŸãã
6. Swiftè³æ Œã掻ããããã£ãªã¢å±é
Swiftã®è³æ ŒååŸã¯ãããªãã®ãã£ãªã¢ã¢ããã®äžå©ãšãªããŸãã Swiftãå€ãã®äŒæ¥ããããžã§ã¯ãã§äœ¿ãããŠãããããè³æ Œä¿æè ã¯åçã§éå®ãããŸãã
6.1 è³æ ŒååŸåŸã®ä»äºã®æ¢ãæ¹
Swiftè³æ Œã®ååŸåŸãäžäœã©ã®ããã«ä»äºãæ¢ãã°è¯ãã®ã§ããããïŒãŸããæ±äººãµã€ãã転è·ãµã€ãã§Swiftã®ã¹ãã«ãæ¡ä»¶ã«çµããæ±äººæ å ±ããã§ãã¯ããã®ãäžçªã§ããSwiftã®çµéšãå¿ èŠãšããéçºè ã®åéæ å ±ãå€ãåºãŠããŸãã
ããªããæ°åãæªçµéšè ã®å Žåã§ããSwiftã®ç¥èãæã£ãŠããããšã¯å€§ããªã¢ã»ãããšãªããŸãããªããªããITæ¥çã¯æè¡ã®é²æ©ãæ©ããããæ°ããèšèªãç¿åŸããŠãã人æãåžžã«æ±ããããŠããããã§ãã
6.2 Swiftã掻çšããè·æ¥äŸ
Swiftã®è³æ Œãæã£ãŠãããšãã©ã®ãããªè·æ¥ãèããããã®ã§ããããã
ãã¡ãããäžçªèº«è¿ãªã®ã¯ã¢ããªéçºè ã§ããSwiftã䜿çšããiOSã¢ããªã®éçºè ã¯ãèªç€Ÿã¢ããªéçºã®ããã®äŒæ¥ã«éçšãããããå€éšéçºè ãšããŠæ§ã ãªãããžã§ã¯ãã«åå ããããšãå¯èœã§ãã
ãŸããæè²æ¥çã§ãSwiftã®ç¥èã¯æçšã§ããããã°ã©ãã³ã°æè²ãããããå Žæã§å¿ é ã«ãªãã€ã€ãããSwiftã¯ãã®æè²ã§ããçšããããèšèªãšãªã£ãŠããŠããŸãããã®ãããSwiftè¬åž«ããã¬ãŒããŒãšããŠæŽ»èºããéãéããŠããŸãã
ããã«ãããªãŒã©ã³ã¹ãšããŠã掻èºããããšãå¯èœã§ããå ·äœçãªã¹ãã«ãšçµéšãæã€ããªãŒã©ã³ã¹éçºè ã¯ããœãããŠã§ã¢éçºã®ãããžã§ã¯ãã§é«ãè©äŸ¡ãåãã奜æ¡ä»¶ã§ä»äºãåããããããšãå€ããããŸãã
6.3 ããªãŒã©ã³ã¹ãšããŠæŽ»èºããããã®ãã³ã
ã§ã¯ãSwiftã®ã¹ãã«ãæã£ãŠããªãŒã©ã³ã¹ãšããŠæŽ»èºããããã«ã¯ãäœãããã°è¯ãã®ã§ããããã
ãŸããèªåã®ã¹ãã«ãåºããããšãéèŠã§ããèªèº«ã®ãŠã§ããµã€ããããŒããã©ãªãªãäœæããèªåã®ã¹ãã«ãšçµæŽã詳ãã説æããããšã§ãæœåšçãªã¯ã©ã€ã¢ã³ãã«å¯ŸããŠèªåèªèº«ãã¢ããŒã«ã§ããŸãã
次ã«ããããã¯ãŒãã³ã°ãéèŠãªæŽ»åã§ããä»ã®éçºè ãæ¥çã®äººã ãšã®ã€ãªããã¯ãæ°ãããããžã§ã¯ãã®æ å ±ãä»äºã®çŽ¹ä»ãåŸãããã®å€§ããªãã£ã³ã¹ãšãªããŸãã
æåŸã«ãåžžã«ã¹ãã«ã¢ããã«åªããããšãå¿ããŠã¯ãããŸãããSwiftãåŠã³ç¶ããæ°ããæ©èœãããŒã«ãè¿œããããããšã¯ãããªããããªãŒã©ã³ã¹ãšããŠæåãããããã«å¿ èŠäžå¯æ¬ ãªèŠçŽ ã§ãã
Swiftã®è³æ Œã掻ããããã£ãªã¢ã¯å€å²ã«ããããŸããèªåã®èå³ãç¶æ³ã«åãããè³æ Œãæ倧éã«æŽ»çšããŠãã ããã
7. ãŸãšã
ãããŸã§ã®å 容ãéããŠãSwiftè³æ Œã®éèŠæ§ãšãã®ååŸã«ã€ããŠã®è©³çŽ°ãªæé ããããŠè³æ Œã掻ããããã£ãªã¢å±éã«ã€ããŠè§£èª¬ããŸãããããã°ã©ãã³ã°ã®äžçã¯åžžã«é²åãç¶ãããããæ°ããæè¡ã®ç¿åŸãšãã®ã¹ãã«ã®èšŒæãæ±ããããããšã念é ã«çœ®ããŠãããŸãããã
7.1 Swiftè³æ ŒååŸãžã®ãšã³ã³ã©ãŒãžã¡ã³ã
Swiftã®è³æ ŒååŸã¯ãããã°ã©ãã³ã°ã«ãããŠæ°ããªã¹ããŒãžãžã®ãã±ãããšãªããŸããããæ·±ããåºãç¥èã身ã«ã€ããããšã§ãå€ãã®å¯èœæ§ãåºãããŸããè³æ Œãããªãã®ã¹ãã«ãå ¬ã«èšŒæããåæã«èªåèªèº«ã«èªä¿¡ãæã€ããã«å°ãããšã¯ééããããŸããã
7.2 ã¬ãã¥ãŒãšãªãã¬ã¯ã·ã§ã³
èšäºå šäœãèªãã§ãå¿ èŠãªç¥èãšæ å ±ãåŸãããŸãããïŒäœãçåç¹ãäžæ確ãªéšåããããŸããããæã«ã¯èªåã§èª¿æ»ããŠã¿ãã®ããŸãäžã€ã®åŠã³ã«ã€ãªãããŸããSwiftè³æ ŒååŸã®ã¢ãããŒã·ã§ã³ãä¿ã€ããã«ããèªåã®é²è¡åºŠãç解床ãå®æçã«æ¯ãè¿ã£ãŠã¿ãããšãæšå¥šããŸãã
è³æ ŒååŸã¯æã«å°é£ã§å€§å€ãªéã®ããããããŸãããããã®å ã«åŸ ã£ãŠããå å®æãéææã¯èšãç¥ããŸãããéäžã§æ«æãããã«ãªã£ãæããèªåã®ç®æšãåºãæ¡ããããŠåé²ãç¶ããŸãããã