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Merge branch 'feature/optional_array' into 'develop'

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optional array

See merge request BPHV_MIPS/mvm_core!9
This commit is contained in:
Pfeil, Scott Robert 2019-04-24 08:48:13 -04:00
commit f1df88bffe
1 changed files with 11 additions and 0 deletions
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11
MVMCore/MVMCore/Categories/Dictionary+MFConvenience.swift
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@ -52,6 +52,10 @@ public extension Dictionary {
return array return array
} }
func optionalArrayForChainOfKeysOrIndexes(_ keysOrIndexes: [Any]) -> [Any]? {
return objectChainOfKeysOrIndexes(keysOrIndexes) as? [Any]
}
/// Returns a Dictionary after looking up the specified key. An empty dictionary is returned if a dictionary for the key does not exist /// Returns a Dictionary after looking up the specified key. An empty dictionary is returned if a dictionary for the key does not exist
func dictionaryForKey(_ key : String) -> [String : Any] { func dictionaryForKey(_ key : String) -> [String : Any] {
@ -76,6 +80,13 @@ public extension Dictionary {
return arrayForChainOfKeysOrIndexes([key]) return arrayForChainOfKeysOrIndexes([key])
} }
func optionalArrayForKey(_ key : String) -> [Any]? {
guard let key = key as? Key else {
return nil
}
return self[key] as? [Any]
}
/// Return a Bool after looking up the specified key. This will return false if the key does not exist /// Return a Bool after looking up the specified key. This will return false if the key does not exist
func boolForKey(_ key : String) -> Bool { func boolForKey(_ key : String) -> Bool {