belt_Option.js

'use strict';

var Curry = require("./curry.js");
var Js_primitive = require("./js_primitive.js");

function getExn(param) {
  if (param !== undefined) {
    return Js_primitive.valFromOption(param);
  } else {
    throw new Error("getExn");
  }
}

function mapWithDefaultU(opt, $$default, f) {
  if (opt !== undefined) {
    return f(Js_primitive.valFromOption(opt));
  } else {
    return $$default;
  }
}

function mapWithDefault(opt, $$default, f) {
  return mapWithDefaultU(opt, $$default, Curry.__1(f));
}

function mapU(opt, f) {
  if (opt !== undefined) {
    return Js_primitive.some(f(Js_primitive.valFromOption(opt)));
  } else {
    return undefined;
  }
}

function map(opt, f) {
  return mapU(opt, Curry.__1(f));
}

function flatMapU(opt, f) {
  if (opt !== undefined) {
    return f(Js_primitive.valFromOption(opt));
  } else {
    return undefined;
  }
}

function flatMap(opt, f) {
  return flatMapU(opt, Curry.__1(f));
}

function getWithDefault(opt, $$default) {
  if (opt !== undefined) {
    return Js_primitive.valFromOption(opt);
  } else {
    return $$default;
  }
}

function isSome(param) {
  return param !== undefined;
}

function isNone(x) {
  return x === undefined;
}

function eqU(a, b, f) {
  if (a !== undefined) {
    if (b !== undefined) {
      return f(Js_primitive.valFromOption(a), Js_primitive.valFromOption(b));
    } else {
      return false;
    }
  } else {
    return b === undefined;
  }
}

function eq(a, b, f) {
  return eqU(a, b, Curry.__2(f));
}

function cmpU(a, b, f) {
  if (a !== undefined) {
    if (b !== undefined) {
      return f(Js_primitive.valFromOption(a), Js_primitive.valFromOption(b));
    } else {
      return 1;
    }
  } else if (b !== undefined) {
    return -1;
  } else {
    return 0;
  }
}

function cmp(a, b, f) {
  return cmpU(a, b, Curry.__2(f));
}

exports.getExn = getExn;
exports.mapWithDefaultU = mapWithDefaultU;
exports.mapWithDefault = mapWithDefault;
exports.mapU = mapU;
exports.map = map;
exports.flatMapU = flatMapU;
exports.flatMap = flatMap;
exports.getWithDefault = getWithDefault;
exports.isSome = isSome;
exports.isNone = isNone;
exports.eqU = eqU;
exports.eq = eq;
exports.cmpU = cmpU;
exports.cmp = cmp;
/* No side effect */