Removed OTCore as a dependency

Package.swift

@@ -14,13 +14,13 @@ let package = Package(
     ],
 
     dependencies: [
-        .package(url: "https://github.com/orchetect/OTCore", from: "1.1.10")
+        // none
     ],
 
     targets: [
         .target(
             name: "TextFileKit",
-            dependencies: ["OTCore"]),
+            dependencies: []),
         .testTarget(
             name: "TextFileKitTests",
             dependencies: ["TextFileKit"])

Sources/TextFileKit/StringTable.swift

@@ -42,7 +42,11 @@ extension StringTable {
     public subscript(safe row: Int, col: Int) -> Element.Element? {
 
         get {
-            self[safe: row]?[safe: col]
+            guard self.indices.contains(row),
+                  self[row].indices.contains(col)
+            else { return nil }
+
+            return self[row][col]
         }
         set {
             guard row < self.rowCount,

Sources/TextFileKit/TextFile CSV.swift

@@ -3,7 +3,7 @@
 //  TextFileKit • https://github.com/orchetect/TextFileKit
 //
 
-@_implementationOnly import OTCore
+import Foundation
 
 extension TextFile {
 
@@ -17,7 +17,7 @@ extension TextFile {
         // MARK: - Constants
 
         internal static let sepChar: Character = ","
-        internal static let newLineChar: Character = Character.newLine
+        internal static let newLineChar: Character = "\n"
 
         public static let fileExtension = "csv"
 
@@ -57,10 +57,10 @@ extension TextFile {
                     return outString
 
                 }
-                .joined(separator: Self.sepChar.string)
+                .joined(separator: String(Self.sepChar))
 
             }
-            .joined(separator: Self.newLineChar.string)
+            .joined(separator: String(Self.newLineChar))
 
         }
 

Sources/TextFileKit/TextFile TSV.swift

@@ -3,7 +3,7 @@
 //  TextFileKit • https://github.com/orchetect/TextFileKit
 //
 
-@_implementationOnly import OTCore
+import Foundation
 
 extension TextFile {
 
@@ -15,7 +15,7 @@ extension TextFile {
         // MARK: - Constants
 
         internal static let sepChar: Character = "\t"
-        internal static let newLineChar: Character = Character.newLine
+        internal static let newLineChar: Character = "\n"
 
         public static let fileExtension = "tsv"
 
@@ -64,10 +64,10 @@ extension TextFile {
                     return outString
 
                 }
-                .joined(separator: Self.sepChar.string)
+                .joined(separator: String(Self.sepChar))
 
             }
-            .joined(separator: Self.newLineChar.string)
+            .joined(separator: String(Self.newLineChar))
 
         }
 

Sources/TextFileKit/Utilities.swift

@@ -0,0 +1,15 @@
+//
+//  Utilities.swift
+//  TextFileKit • https://github.com/orchetect/TextFileKit
+//
+
+import Foundation
+
+extension String {
+
+    /// Wrap a string with double-quotes.
+    @inlinable internal var quoted: Self {
+        "\"\(self)\""
+    }
+
+}