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js/src/jit-test/tests/arrow-functions/church-2.js@129ffea94266

js/src/jit-test/tests/arrow-functions/church-2.js

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 // Church-Peano integers

 var Zero = f => x => x;

 var Succ = n => f => x => n(f)(f(x));

 var Add = a => b => f => x => a(f)(b(f)(x));

 var Mul = a => b => f => x => a(b(f))(x);

 var Exp = a => b => b(a);

 var n = f => f(k => k + 1)(0);

 assertEq(n(Zero), 0);

 assertEq(n(Succ(Zero)), 1);

 assertEq(n(Succ(Succ(Zero))), 2);

 var Three = Succ(Succ(Succ(Zero)));

 var Five = Succ(Succ(Three));

 assertEq(n(Add(Three)(Five)), 8);

 assertEq(n(Mul(Three)(Five)), 15);

 assertEq(n(Exp(Three)(Five)), 243);