Félix Cloutier fay59
fay59
/ deriv.swift
Last active
December 29, 2017 00:19
— forked from jdh30/deriv.swift
Swift code to compute the nth derivative of x^x
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| precedencegroup ExponentPrecedence { | |
| associativity: right | |
| higherThan: MultiplicationPrecedence | |
| } | |
| infix operator **: ExponentPrecedence | |
| fileprivate enum Expr: CustomStringConvertible { | |
| case Int(n: Int) | |
| indirect case Var(x: String) |