Fix doc comments remove optionality on StructType initializer

Author: vdka

Sources/LLVM/FloatType.swift

@@ -9,7 +9,7 @@ public struct FloatType: IRType {
   /// The kind of floating point type this is
   public var kind: Kind
 
-  /// Returns the context associated with this module.
+  /// Returns the context associated with this type.
   public let context: Context
 
   /// Creates a float type of a particular kind

Sources/LLVM/IntType.swift

@@ -11,7 +11,7 @@ public struct IntType: IRType {
   /// Retrieves the bit width of this integer type.
   public let width: Int
 
-  /// Returns the context associated with this module.
+  /// Returns the context associated with this type.
   public let context: Context
 
   /// Creates an integer type with the specified bit width.

Sources/LLVM/LabelType.swift

@@ -5,7 +5,7 @@ import cllvm
 /// `LabelType` represents code labels.
 public struct LabelType: IRType {
 
-  /// Returns the context associated with this module.
+  /// Returns the context associated with this type.
   public let context: Context
 
   /// Creates a code label.

Sources/LLVM/StructType.swift

@@ -37,14 +37,10 @@ public struct StructType: IRType {
   ///   no packing between fields.  Defaults to `false`.
   /// - parameter context: The context to create this type in
   /// - SeeAlso: http://llvm.org/docs/ProgrammersManual.html#achieving-isolation-with-llvmcontext
-  public init(elementTypes: [IRType], isPacked: Bool = false, in context: Context? = nil) {
+  public init(elementTypes: [IRType], isPacked: Bool = false, in context: Context = Context.global) {
     var irTypes = elementTypes.map { $0.asLLVM() as Optional }
     self.llvm = irTypes.withUnsafeMutableBufferPointer { buf in
-      if let context = context {
-        return LLVMStructTypeInContext(context.llvm, buf.baseAddress, UInt32(buf.count), isPacked.llvm)
-      } else {
-        return LLVMStructType(buf.baseAddress, UInt32(buf.count), isPacked.llvm)
-      }
+      return LLVMStructTypeInContext(context.llvm, buf.baseAddress, UInt32(buf.count), isPacked.llvm)
     }
   }
 

Sources/LLVM/VoidType.swift

@@ -5,7 +5,7 @@ import cllvm
 /// The `Void` type represents any value and has no size.
 public struct VoidType: IRType {
 
-  /// Returns the context associated with this module.
+  /// Returns the context associated with this type.
   public let context: Context
 
   /// Creates an instance of the `Void` type.

Sources/LLVM/X86MMXType.swift

@@ -10,7 +10,7 @@ import cllvm
 /// type. There are no arrays, vectors or constants of this type.
 public struct X86MMXType: IRType {
 
-  /// Returns the context associated with this module.
+  /// Returns the context associated with this type.
   public let context: Context
 
   /// Creates an `X86MMXType`.