Add explicit Sequential.TangentVector.VectorSpaceScalar typealias.

dan-zheng · dan-zheng · commit 727c600ab851 · 2021-01-06T03:27:48.000-05:00
diff --git a/Sources/TensorFlow/Layers/Sequential.swift b/Sources/TensorFlow/Layers/Sequential.swift
@@ -74,6 +74,13 @@ extension Sequential: Layer where Layer1: Layer {
   }
 }
 
+extension Sequential.TangentVector {
+  /// - Note: this typealias declaration is necessary for building with old non-stock toolchains
+  ///   where `VectorProtocol.VectorSpaceScalar` is an associated type and not a typealias
+  ///   declaration.
+  typealias VectorSpaceScalar = Float
+}
+
 /// A layer that sequentially composes 3 layers.
 public typealias Sequential3<L1: Module, L2: Layer, L3: Layer> = Sequential<L1, Sequential<L2, L3>>
 where

Original file line number	Diff line number	Diff line change
`@@ -74,6 +74,13 @@ extension Sequential: Layer where Layer1: Layer {`
`74`	`74`	`}`
`75`	`75`	`}`
`76`	`76`
	`77`	`+extension Sequential.TangentVector {`
	`78`	`+ /// - Note: this typealias declaration is necessary for building with old non-stock toolchains`
	`79`	+ /// where `VectorProtocol.VectorSpaceScalar` is an associated type and not a typealias
	`80`	`+ /// declaration.`
	`81`	`+ typealias VectorSpaceScalar = Float`
	`82`	`+}`
	`83`	`+`
`77`	`84`	`/// A layer that sequentially composes 3 layers.`
`78`	`85`	`public typealias Sequential3<L1: Module, L2: Layer, L3: Layer> = Sequential<L1, Sequential<L2, L3>>`
`79`	`86`	`where`