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moduleFunctions.js
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moduleFunctions.js
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thunk = function() { return 23; }
add1 = function(x) { return x + 1; }
sub1Broken = function(x) { return "tooth fairy"; }
add = function(x,y) { return x + y; };
div = function(x,y) { return x / y; };
privateFunction = function() {
throw "This is a private function";
}
moveRight = function() {
var moved = makeCoords(this.x, this.y);
moved.x = moved.x + 1;
return moved;
}
makeCoords = function(x,y) {
return { x: x, y: y, moveRight : moveRight };
}
filter = function(f,arr) {
var result = [ ];
for (var i = 0; i < arr.length; i++) {
if (f(arr[i])) { result.push(arr[i]); }
}
return result;
}
curry = function(f,x) {
return function(y) {
return f(x,y);
};
}
mkPair = function(x,y) {
return [x,y];
};
var iota = function(n) {
var result = [ ];
for (var i = 0; i < n; i++) {
result[i] = i;
}
return result;
};
sum = function() {
var r = 0;
for (var i = 0; i < arguments.length; i++) {
r += arguments[i];
}
return r;
};
reduceNumbers = function(init,f,args) {
for (var i = 0; i < args.length; i++) {
init = f(init,args[i]);
}
return init;
};
window.Coords = function(x,y) {
this.x = x;
this.y = y;
}
Coords = window.Coords;
moveCoords = function(c) {
if (c instanceof window.Coords) {
return makeCoords(c.x + 1, c.y + 1);
}
else {
throw "expected instanceof Coords"
}
}
forever = function(n) {
return { val : n, next: function(m) { return forever(m); } };
};