ؔ਺ .PCJMF1SPHSBNNJOH
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ؔ਺ͱ͸ʁ 

ؔ਺ͱ͸ʁ w ϓϩάϥϜʹ͓͚Δؔ਺ͱ͸
w ͬ͘͟Γ͍͏ͱෳ਺ͷॲཧΛ·ͱΊͯ࠶ར༻Մೳʹͨ͠΋ͷ
w ·ͱΊͨॲཧΛ࣮ߦ͢ΔͷʹඞཁͳσʔλΛҾ਺ͱͯ͠౉ͨ͠ Γ
w ॲཧͷ݁ՌΛ໭Γ஋ͱ͍͏ܗͰड͚औͬͨΓ͢Δ
w جຊతʹ௕͍ॲཧ͸ؔ਺ͱͯ͠·ͱΊͯ͠·͏ํ͕ྑ͍
w Ϋϥεʹඥ͍͍ͮͯΔؔ਺͸ϝιουͱݺͼ·͢ 

ؔ਺෼ΫοΩϯά func add() { } w ೋͭͷ਺஋Λड͚औͬͯ଍͠߹ΘͤΔؔ਺Λߟ͑·͢
w ·ͣ͸ؔ਺ͷ࢝·ΓͰ͋Δ
GVOD
ΩʔϫʔυΛهड़
w ͦΕ͔Βؔ਺ͷ໊લΛܾΊ·͢ Ωʔϫʔυ ؔ਺ͷ໊લ 

ؔ਺෼ΫοΩϯά func add(number1: Int, number2: Int) { } w ࣍ʹؔ਺͕ड͚औΔ஋
Ҿ਺
Λઃఆ͍͖ͯ͠·͢
w ࠓճ͸଍͠ࢉͷؔ਺ͳͷͰҾ਺͸ೋͭʹͳΓ·͢
w Ҿ਺͸
໊લܕ
ͱ͍͏ܗͰఆٛ͞Ε
w ෳ਺͋Δ৔߹͸ΧϯϚͰ۠੾Γ·͢ Ҿ਺ Ҿ਺ Ҿ਺ಉ࢜͸ΧϯϚͰ۠੾Δ 

ؔ਺෼ΫοΩϯά func add(number1: Int, number2: Int) -> Int { } w ࣍ʹ໭Γ஋ΛܾΊ·͢
w ໭Γ஋͸ؔ਺͕ͲΜͳ஋Λฦ͢ͷ͔Λࣔ͢΋ͷͰ͢
w ໭Γ஋͸جຊతʹҰͭͰ͕͢5VQMFΛ࢖͏͜ͱͰෳ਺ݸฦͤ·͢
w ྫ͑͹ࠓճ͸଍͠ࢉͷؔ਺ͳͷͰ*OUܕΛҰͭฦ͠·͢
w Կ΋ฦ͢΋ͷ͕ͳ͍৔߹͸লུՄೳͰ͢
w ͪͳΈʹฦΓ஋ͱ΋ݴͬͨΓ͠·͕͢৭ʑΞϨͳͷͰࠓճ͸໭Γ஋ͱݺͼ·͢ ͜ͷ෦෼͕໭Γ஋ 

ؔ਺෼ΫοΩϯά func add(number1: Int, number2: Int) -> Int { let result = number1 + number2 return result } w ࠷ޙʹؔ਺ͷத਎Λهड़͍͖ͯ͠·͢
w ໭Γ஋͕͋Δؔ਺ͷ৔߹͸ඞͣ࠷ޙʹ
w SFUVSOΛ࢖༻ͯ͠஋Λฦ͢ඞཁ͕͋Γ·͢
໭Γ஋Λฦ͢ ؔ਺Ͱߦ͏ॲཧ 

ҙ֎ͱ؆୯Ͱ ͠ΐʁ 

ݺͼग़͠ํ 

ؔ਺ͷݺͼग़͠ w ఆٛͨؔ͠਺͸ݺͼग़͞ΕΔ·Ͱ͸࣮ߦ͞Εͳ͍
w ͦͷͨΊఆٛͨ͠ޙʹඞͣݺͼग़͢ඞཁ͕͋Δ // ؔ਺ఆٛ func add(number1: Int, number2: Int) -> Int { let result = number1 + number2 return result } // ؔ਺ͷݺͼग़͠ let added = add(number1: 10, number2: 10) print("result is: \(added)") // 20 

Ҿ਺ʹ͍ͭͯ 

֎෦Ҿ਺໊ 

֎෦Ҿ਺໊ w ֎෦Ҿ਺໊͸Ҿ਺໊ͱ͸ผʹΘ͔Γ΍͍͢ϥϕϧΛ͚ͭ ΒΕΔػೳͷ͜ͱ
w ֎෦Ҿ਺໊͸ؔ਺ͷݺͼग़࣌͠ʹݟ͑ΔͷͰԿΛҾ਺ͱ ͯ͠ड͚औΔͷ͔Θ͔Γ΍͘͢ͳΔ func rgbToHexString(red r:Int, green g:Int, blue b:Int) -> String { // ؔ਺಺Ͱ͸ɺ֤Ҿ਺ͷϩʔΧϧ໊Λ࢖༻ return String(format:"%02x%02x%02x", r, g, b) } let color = rgbToHexString(red: 255, green: 128, blue: 0) ͜Ε͕ ֎෦Ҿ਺໊  

σϑΥϧτҾ਺ 

σϑΥϧτҾ਺ w ؔ਺ͷఆٛ࣌ɺҾ਺ʹσϑΥϧτͰ஋ΛೖΕ͓͚ͯΔػ ೳͷ͜ͱ
w ݺͼग़࣌͠ʹҾ਺ʹ஋͕ೖΒͳ͍৔߹͸σϑΥϧτͷ஋ ͕࢖༻͞ΕΔ func encloseText(text: String, prefix: String = "(", suffix: String = ")") -> String { return prefix + text + suffix } print(encloseText(text: "ΓΜ͝")) σϑΥϧτҾ਺ σϑΥϧτҾ਺ ݺͼग़࣌͠ʹলུͰ͖Δ 

Մม௕Ҿ਺ 

Մม௕Ҿ਺ w Ҿ਺ͷ਺Λݺͼग़࣌͠ʹઃఆͰ͖Δػೳ
w ݺͼग़࣌͠ʹΧϯϚ۠੾ΓͰԿݸͰ΋Ҿ਺Λ༩͑ΒΕΔ
w ͨͩ͠ಉ͡ܕͰͳ͍ͱͩΊ
w ؔ਺ଆͰ͸Ұͭͷ഑ྻͱͯ͠஋Λड͚औΔ 

Մม௕Ҿ਺ // จࣈྻதʹࢦఆͨ͠จࣈͷͲΕؚ͔͕·ΕΕ͹trueΛฦ͢ func containsCharacter(text: String, characters: Character...) -> Bool { for ch in characters { for t in text { if ch == t { return true } } } return false } containsCharacter("abcdefg", "i") // false containsCharacter("abcdefg", "g", "h", "i") // true ͜Ε͕Մม௕Ҿ਺ 

JOPVUҾ਺ 

JOPVUҾ਺ w Ҿ਺ͱͯ͠౉ͨ͠ม਺ͷมߋΛؔ਺ͷ֎ଆͰࢀরͰ͖Δػೳ
w جຊతʹ4XJGUͰ͸Ҿ਺ͱͯ͠౉ͨ͠ม਺ͷ஋͕ॻ͖׵ΘΔ͜ͱ͸ͳ͍͕ɺ JOPVUΛ࢖͏͜ͱͰ࣮ݱ͢Δ
w ଟ༻͢Δͱม਺ͷมԽΛ௥͏ͷ͕େมʹͳΔͷͰ࢖༻ʹ͸஫ҙ
w ݸਓతʹ͋·Γ࢖͍ͨ͘ͳ͍ func incrementBy(inc: Int, inout val1: Int, inout val2: Int) { val1 += inc val2 += inc } var val1 = 100 var val2 = 200 incrementBy(10, &val1, &val2) print("val1=\(val1), val2=\(val2)") // val1=110, val2=210