Removed durable hnsw from linux

Sources/SwiftNLP/1. Data Collection/DurableHNSWCorpus + Dictionary.swift

@@ -24,6 +24,8 @@
 // Created by Mingchung Xia on 2024-02-26.
 //
 
+#if os(macOS)
+
 import Foundation
 
 extension DurableHNSWCorpus {
@@ -68,3 +70,5 @@ extension DurableHNSWCorpus {
         )
     }
 }
+
+#endif

Sources/SwiftNLP/1. Data Collection/DurableHNSWCorpus + File IO.swift

@@ -24,6 +24,8 @@
 // Created by Mingchung Xia on 2024-03-12.
 //
 
+#if os(macOS)
+
 import Foundation
 import System
 
@@ -147,3 +149,5 @@ extension DurableHNSWCorpus {
         return dictionary
     }
 }
+
+#endif

Sources/SwiftNLP/1. Data Collection/DurableHNSWCorpus + Sequence.swift

@@ -24,6 +24,8 @@
 // Created by Mingchung Xia on 2024-03-16.
 //
 
+#if os(macOS)
+
 import Foundation
 
 /// HNSWCorpus iterates through its dictionary of key to document vector pairs
@@ -63,3 +65,5 @@ extension DurableHNSWCorpus: Sequence, Collection {
         return dictionary.keys.sorted().index(after: i)
     }
 }
+
+#endif

Sources/SwiftNLP/1. Data Collection/DurableHNSWCorpus.swift

@@ -23,6 +23,9 @@
 //
 // Created by Mingchung Xia on 2024-02-26.
 //
+// MARK: DurableHNSWCorpus is only available on MacOS, not Linux
+
+#if os(macOS)
 
 import Foundation
 import CoreLMDB
@@ -76,3 +79,5 @@ final class DurableHNSWCorpus<Scalar: BinaryFloatingPoint & Codable & UnsafeMemo
         )
     }
 }
+
+#endif

Sources/SwiftNLP/1. Data Collection/HNSW/DeterministicDurableVectorIndex.swift

@@ -24,6 +24,8 @@
 // Created by Mingchung Xia on 2024-02-26.
 //
 
+#if os(macOS)
+
 import Foundation
 import PriorityHeapModule
 import PriorityHeapAlgorithms
@@ -80,3 +82,5 @@ public struct DeterministicDurableVectorIndex<VectorComponent: UnsafeMemoryLayou
         return self.size
     }
 }
+
+#endif