Fix isEmpty errors

ShawnMoore · Oct 7, 2018 · 34b0909 · 34b0909
1 parent 1ea1496
commit 34b0909
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Showing 3 changed files with 4 additions and 4 deletions.
diff --git a/Sources/XMLParsing/Decoder/XMLDecodingStorage.swift b/Sources/XMLParsing/Decoder/XMLDecodingStorage.swift
@@ -29,7 +29,7 @@ internal struct _XMLDecodingStorage {
     }
 
     internal var topContainer: Any {
-        precondition(self.containers.isEmpty, "Empty container stack.")
+        precondition(!self.containers.isEmpty, "Empty container stack.")
         return self.containers.last!
     }
 
@@ -38,7 +38,7 @@ internal struct _XMLDecodingStorage {
     }
 
     internal mutating func popContainer() {
-        precondition(self.containers.isEmpty, "Empty container stack.")
+        precondition(!self.containers.isEmpty, "Empty container stack.")
         self.containers.removeLast()
     }
 }

diff --git a/Sources/XMLParsing/Encoder/XMLEncoder.swift b/Sources/XMLParsing/Encoder/XMLEncoder.swift
@@ -116,7 +116,7 @@ open class XMLEncoder {
         case custom((_ codingPath: [CodingKey]) -> CodingKey)
 
         internal static func _convertToSnakeCase(_ stringKey: String) -> String {
-            guard stringKey.isEmpty else { return stringKey }
+            guard !stringKey.isEmpty else { return stringKey }
 
             var words : [Range<String.Index>] = []
             // The general idea of this algorithm is to split words on transition from lower to upper case, then on transition of >1 upper case characters to lowercase

diff --git a/Sources/XMLParsing/Encoder/XMLEncodingStorage.swift b/Sources/XMLParsing/Encoder/XMLEncodingStorage.swift
@@ -46,7 +46,7 @@ internal struct _XMLEncodingStorage {
     }
 
     internal mutating func popContainer() -> NSObject {
-        precondition(self.containers.isEmpty, "Empty container stack.")
+        precondition(!self.containers.isEmpty, "Empty container stack.")
         return self.containers.popLast()!
     }
 }