@effectful/transducers-loose/samples/runtime.js

@effectful/transducers built with faster generators

"use strict";

var LAZY = false;
exports.e$y$make = LAZY ? function make(fun) {
  var res = function (buf) {
    var res;
    if (buf == null) {
      buf = [];
      res = fun(buf);
      return res;
    }
    return fun(buf);
  };
  res.fun = fun;
  res.eagerGen = true;
  res[Symbol.iterator] = function () {
    var x = 0,
      buf = [],
      ret = fun(buf),
      len = buf.length;
    buf.length = len;
    return {
      _debOrig: res,
      next: function () {
        return x === len ? {
          done: true,
          value: ret
        } : {
          done: false,
          value: buf[x++]
        };
      }
    };
  };
  return res;
} : function make(fun) {
  var buf = [],
    ret = fun(buf),
    len = buf.length,
    res = {};
  res.arrBuf = buf;
  res.ret = ret;
  res.fun = fun;
  //  res.eagerGen = true;
  res[Symbol.iterator] = function () {
    var x = 0;
    return {
      _debOrig: res,
      next: function () {
        return x === len ? {
          done: true,
          value: ret
        } : {
          done: false,
          value: buf[x++]
        };
      }
    };
  };
  return res;
};
exports.e$y$star = function yieldStar(buf, e) {
  var i, x, v, len, ret;
  if (e.eagerGen) return e.fun(buf);
  if (e.arrBuf != null) {
    ret = e.ret;
    e = e.arrBuf;
  }
  x = buf.length;
  if (Array.isArray(e)) {
    len = e.length;
    buf.length = buf.length + len;
    for (i = 0; i < len; ++i) buf[x + i] = e[i];
    return ret;
  }
  i = e[Symbol.iterator]();
  for (v = i.next(); !v.done; v = i.next()) {
    buf[x++] = v.value;
  }
  return v.value;
};
exports.e$y = function yieldPush(iter, v) {
  iter[iter.length] = v;
};