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              October 23, 2018 23:44
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                First-Class Automatic Differentiation in Swift: A Manifesto
              
          
    First-Class Automatic Differentiation in Swift: A Manifesto


Author: Richard Wei
Date: October 2018

This document is written for both the machine learning community and the Swift
programming language design community, with a strong focus on language design.
Table of Contents


## Currying, composing and trace.swift
Inspired from https://drboolean.gitbooks.io/mostly-adequate-guide/content/ch5.html

// Curries by partially applying 1 out of 2 arguments
func curry<A, B, C>(fn: (A, B) -> C, _ val: A) -> (B -> C) {
    return { b in
        fn(val, b)
    }
}

// "compose" operator
	Inspired from https://drboolean.gitbooks.io/mostly-adequate-guide/content/ch5.html

	// Curries by partially applying 1 out of 2 arguments
	func curry<A, B, C>(fn: (A, B) -> C, _ val: A) -> (B -> C) {
	return { b in
	fn(val, b)
	}
	}

	// "compose" operator