StackOverflow Questions for Tag: optional-variables

the_critic

Reputation: 12820

Traverse view controller hierarchy in Swift

iosgenericsswiftoptional-variables

Score: 5

Answers: 3

RodolfoAntonici

Reputation: 1615

Swift Optional Dictionary [String: String?] unwrapping error

swiftdictionaryunwrapoptional-variables

Score: 0

Answers: 2

jmcastel

Reputation: 1365

How to check if imageView is not nil in swift?

iosswiftoptional-variables

Score: 1

Answers: 5

Gerd Castan

Reputation: 6849

Swift 2: is there a short syntax to conditionally set a non-optional variable from an optional variable?

swift2optional-variables

Score: 6

Answers: 3

sdduursma

Reputation: 2600

Downcasting optionals in Swift: as? Type, or as! Type?

swiftoption-typedowncastoptional-variables

Score: 103

Answers: 9

developer

Reputation: 658

Check Non Optional value for nil

swiftexceptionoptional-variablesoptional-binding

Score: 0

Answers: 1

srus2017

Reputation: 404

Swift optional downcasting as Any

iosswiftswift3optional-variables

Score: -4

Answers: 4

j.TK

Reputation: 223

Optional variables in API call swift

swiftenumsoptional-variables

Score: 0

Answers: 1

user3275730

Reputation: 25

little confuse about optionals in swift

swiftoptional-variables

Score: 1

Answers: 5

AVEbrahimi

Reputation: 19134

Difference between two optional syntaxes in Swift

swiftoptional-variables

Score: 0

Answers: 2

Fattie

Reputation: 12582

Swift expression, empty or nonexistent dictionary in array - reliably zero?

swiftswift3optional-variables

Score: 1

Answers: 2

gasprice admin

Reputation: 143

laravel route variables passing null values give url error

phplaravelroutesoptional-variables

Score: 2

Answers: 1

spatel4140

Reputation: 395

Regular expression strings with consecutive variables

pythonregexvariablesoptional-parametersoptional-variables

Score: 2

Answers: 2

fisher

Reputation: 1296

Checking optional isEqualToString

swiftoptional-variables

Score: 5

Answers: 3

G.Abhisek

Reputation: 1094

Global variable and optional binding in Swift

swift2ios9optional-variables

Score: 0

Answers: 1

hdsenevi

Reputation: 981

Swift optional initialisation

swiftinitializationinitoption-typeoptional-variables

Score: 6

Answers: 2

Ankish Jain

Reputation: 11361

Swift Optionals : What if i need to change an non - optional type to optional

iosswiftswift2option-typeoptional-variables

Score: 4

Answers: 2

biggreentree

Reputation: 1913

Uwrapping optionals - Swift 1.2 Xcode 6.4

iosxcodeswiftoption-typeoptional-variables

Score: -2

Answers: 1

user3140521

Reputation: 151

Why is my Swift string variable returning nil?

parse-platformoptional-variables

Score: 0

Answers: 1

user3742622

Reputation: 1067

Swift: Why all my optional variable looks like "Optional(305.502)"

iosswiftoptional-variables

Score: 0

Answers: 2

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StackOverflow Questions for Tag: optional-variables

Traverse view controller hierarchy in Swift

Swift Optional Dictionary [String: String?] unwrapping error

How to check if imageView is not nil in swift?

Swift 2: is there a short syntax to conditionally set a non-optional variable from an optional variable?

Downcasting optionals in Swift: as? Type, or as! Type?

Check Non Optional value for nil

Swift optional downcasting as Any

Optional variables in API call swift

little confuse about optionals in swift

Difference between two optional syntaxes in Swift

Swift expression, empty or nonexistent dictionary in array - reliably zero?

laravel route variables passing null values give url error

Regular expression strings with consecutive variables

Checking optional isEqualToString

Global variable and optional binding in Swift

Swift optional initialisation

Swift Optionals : What if i need to change an non - optional type to optional

Uwrapping optionals - Swift 1.2 Xcode 6.4

Why is my Swift string variable returning nil?

Swift: Why all my optional variable looks like &quot;Optional(305.502)&quot;

Swift: Why all my optional variable looks like "Optional(305.502)"