michaelficarra

• Stage 4: iterator helpers MVP
• Stage 4: iterator sequencing (Iterator.concat)
• Stage 3: joint iteration (Iterator.zip, Iterator.zipKeyed)
• Stage 2.7: iterator chunking (.chunks, .windows)
• Stage 2.7: iterator includes (.includes)
• Stage 2: async iterator helpers MVP (AsyncIterator.prototype.*, Iterator.prototype.toAsync)
• Stage 1: concurrency control (AsyncIterator.prototype.* integration, some form of cancellation)
• Stage 1: unordered async iterator helpers (AsyncIterator.prototype.unordered, `

michaelficarra

#[derive(Debug, PartialEq, Eq)]
enum ArithmeticResult {
    Overflow,
    Underflow,
    Accurate,
}

fn oracle(a: i64, b: i64) -> ArithmeticResult {
    let a128 = i128::from(a);
    let b128 = i128::from(b);

michaelficarra

_cp_ is matched by either |WhiteSpace| or |LineTerminator|, or _cp_ has the same numeric value as a leading surrogate or trailing surrogate, then [...]
_func_ has a [[SourceText]] internal slot, _func_.[[SourceText]] is a sequence of Unicode code points, and HostHasSourceTextAvailable(_func_) is *true*, then [...]
[id="step-assignmenttargettype-web-compat", normative-optional] If the host is a web browser or otherwise supports <emu-xref href="#sec-runtime-errors-for-function-call-assignment-targets" title></emu-xref> and IsStrict(this |CallExpression|) is *false*, then [...]
<emu-not-ref>Record</emu-not-ref> that the binding for _N_ in _envRec_ has been initialized.
Append (_WL_.[[MostRecentLeaveEvent]], _enterEvent_) to _eventsRecord_.[[AgentSynchronizesWith]].
Append [[ArrayBufferByteLengthData]] and [[ArrayBufferMaxByteLength]] to _slots_.
Append scf(_cp_) to _t_.
Append the GlobalSymbolRegistry Record { [[Key]]: _stringKey_, [[Symbol]]: _newSymbol_ } to the GlobalSymbolRegistry List.
Append to _internalSl

michaelficarra

function* pascalsTriangleRow(row) {
    let prev = 1;
    for(let i = 1; i <= row; ++i) {
        yield prev;
        prev = (prev * (row - (i - 1))) / i;
    }
    yield 1;
}

Array.from(pascalsTriangleRow(19));

michaelficarra

Function.prototype.once = function () {
  let fn = this;
  let called = false;
  return function() {
    if (!called) {
      called = true;
      return fn.apply(this, arguments);
    }
  };
};

michaelficarra

const safeApply = Date.call.bind(Date.apply);
const randomName = () => Math.random().toString(36).slice(2).toLowerCase();

class RevokedCapabilityException extends Error {}

class Capability {
  constructor(behaviour, { name = randomName() } = {}) {
    this.behaviour = behaviour;
    this.name = Object.freeze([].concat(name));
  }

michaelficarra

// https://github.com/michaelficarra/ecmascript-interfaces-proposal
interface HasHashCode {
  hashCode;
}

class SetUsingHashCode extends Set {
  constructor(iterable) {
    super();
    this.#map = new Map;
    for (let x of iterable) {

michaelficarra

diff --git c/purescript.cabal i/purescript.cabal
index 4f4fcabd..699e8440 100644
--- c/purescript.cabal
+++ i/purescript.cabal
@@ -231,6 +231,7 @@ library
                      Language.PureScript.Sugar.TypeClasses
                      Language.PureScript.Sugar.TypeClasses.Deriving
                      Language.PureScript.Sugar.TypeDeclarations
+                     Language.PureScript.Terms
                      Language.PureScript.Traversals

michaelficarra

function append(separator) {
  return typeof separator === "string" ? appender(separator, "") : appender("", "").apply(this, arguments);
}

function appender(separator, s) {
  return function tag(literalParts, ...computedParts) {
    s += literalParts[0];
    for (let i = 1; i < literalParts.length; ++i) {
      s += computedParts[i - 1] + literalParts[i];
    }

michaelficarra

var getGlobal = (function(g) {
  if (g == null) {
    if (typeof System !== 'undefined' && System != null && System.global != null && System.global.System === System) g = System.global;
    else if (typeof self !== 'undefined' && self != null && self.self === self) g = self;
    else if (typeof window !== 'undefined' && window != null && window.window === window) g = window;
    else if (typeof global !== 'undefined' && global != null && global.global === global) g = global;
  }
  return function() { return g; };
}(this));