Claus Reinke clausreinke
clausreinke
/ node-gyp-hello-world-fail.log
Created
June 30, 2016 10:44
node-gyp build on android fails, due to ˋ-pieˋ flag counteracting ˋ-rdynamicˋ flag. intended for the [commit discussion](https://github.com/nodejs/node/commit/271201fea935cdf85336736e87c06104ce185f61).
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| $ ls | |
| binding.gyp hello.cc | |
| $ echo ~/.node* | |
| /data/data/com.termux/files/home/.node* | |
| $ node-gyp configure build |& tee build.log | |
| gyp info it worked if it ends with ok | |
| gyp verb cli [ '/data/data/com.termux/files/usr/bin/node', | |
| gyp verb cli '/data/data/com.termux/files/usr/bin/node-gyp', | |
| gyp verb cli '-v', |
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| // node v0.11.4 --harmony | |
| function forof(g,cb) { // non-generator callbacks only | |
| var r; | |
| while(true) { | |
| r = g.next(); | |
| if (r.done) break; // skip return value? | |
| cb(r.value); | |
| } | |
| } |
clausreinke
/ bind-for-arrows.html
Created
July 12, 2013 21:11
using _this=this to emulate arrow functions is fast but error-prone, requiring non-trivial analysis for use in transpilers. using .bind to emulate arrow functions is simpler, but slow in current engines. using an apply-based partial polyfill (bind) for .bind is fast in v8, slow in other engines.
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| // <script> | |
| /* sample output | |
| $ node ../bind-for-arrows.html | |
| _this: 4ms | |
| .bind: 25ms | |
| bind: 4ms | |
| _this, calls only: 1ms | |
| .bind, calls only: 4ms | |
| bind, calls only: 0ms |
clausreinke
/ monadic.ts
Created
July 12, 2013 14:26
monadic javascript/typescript: promises and generators
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| declare function setImmediate(cb); | |
| declare function setTimeout(cb,n); | |
| declare var process; | |
| function nextTick(cb) { | |
| if (typeof setImmediate == "function") { | |
| setImmediate(cb); | |
| } else if (typeof process == "object" && typeof process.nextTick == "function") { | |
| process.nextTick(cb); | |
| } else if (typeof setTimeout == "function") { |
clausreinke
/ simple-promises.ts
Created
May 7, 2013 21:33
// simple monad-like promises, with examples
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| declare function setImmediate(cb); | |
| declare function setTimeout(cb,n); | |
| declare var process; | |
| function nextTick(cb) { | |
| if (typeof setImmediate == "function") { | |
| setImmediate(cb); | |
| } else if (typeof setTimeout == "function") { | |
| setTimeout(cb,0); | |
| } else if (typeof process == "object" && typeof process.nextTick == "function") { |
clausreinke
/ interfaces.html
Created
February 20, 2013 17:23
JavaScript: generic methods, programming to interfaces, classes implementing interfaces;
a sketch (load in browser or run with nodejs)
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| // see console output <script> | |
| // quick hack of classes implementing interfaces, just to give the idea; for a | |
| // proper design, feel free to use better syntax, (Weak)Maps, unique symbols, ..; | |
| // | |
| // the core idea is to relate interfaces to classes that implement them, in | |
| // such a way that the relevant implementations of interface methods can be | |
| // extracted systematically in generic code | |
| var Mappable = {}; // interface, to be implemented by classes; |
clausreinke
/ escodegen.js
Created
July 21, 2012 21:30
map symbolic infix ops '(x .<op> y)' to 'Operation[".<op>"](x,y)'
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| /* | |
| Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com> | |
| Copyright (C) 2012 Mathias Bynens <mathias@qiwi.be> | |
| Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl> | |
| Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com> | |
| Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com> | |
| Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com> | |
| Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com> | |
| Redistribution and use in source and binary forms, with or without |
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| // basil (bridging ASI and layout) | |
| // | |
| // unfinished sketch; Claus Reinke 2012 | |
| // | |
| // $ node basil.js sample.js | |
| // ASI at line 5(2), before indented line 6(8) | |
| // no ASI at line 12(2), before non-indented line 13(2) | |
| // ASI at line 25(2) before indented line 26(11) | |
| // no ASI at line 35(2), before non-indented line 36(2) | |
| // no ASI at line 39(2), before non-indented line 40(2) |