Make problem descriptions more consistent.

timoxley · timoxley · commit 7215ba044e26 · 2014-05-01T15:02:17.000+08:00
diff --git a/problems/async_loops/problem.md b/problems/async_loops/problem.md
@@ -26,11 +26,13 @@ Because this function is asynchronous, we do not care about its return value.
 * done: a Function that expects an Array of user objects (as retrieved from `load`).
 
 ## Conditions
-* Do not use any for/while loops.
+
+* Do not use for/while loops (Array#forEach ok).
 * The order of the results in `done` must be the same as they were specified in `userIds`.
 * Users should be loaded in parallel i.e. the entire job should not take more than 1 second.
+* Do not create any unecessary functions e.g. helpers.
 
-## Hint 
+## Hint
 
 * You don't need to use a sort to maintain ordering.
 
diff --git a/problems/basic_call/problem.md b/problems/basic_call/problem.md
@@ -82,10 +82,9 @@ duckCount(duck, notDuck) // 1
 
 ## Conditions
 
-* Do not use any for/while loops.
+* Do not use any for/while loops or Array#forEach.
 * Do not create any counter/accumulator variables.
-* You do not need to define any additional name functions
-  unless a stub is provided in the boilerplate.
+* Do not create any unecessary functions e.g. helpers.
 
 ## Hint
 
diff --git a/problems/basic_every_some/problem.md b/problems/basic_every_some/problem.md
@@ -38,6 +38,11 @@ testAllValid([
 Use array#some and Array#every to check every user passed to your returned
 function exists in the array passed to the exported function.
 
+## Conditions
+
+* Do not use any for/while loops or Array#forEach.
+* Do not create any unecessary functions e.g. helpers.
+
 ## Resources
 
 * https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/every
diff --git a/problems/basic_filter/problem.md b/problems/basic_filter/problem.md
@@ -16,13 +16,14 @@ and returns an array of messages that are *less than < 50 characters long*.
 
 ## Conditions
 
-* Do not use for loops or Array#forEach.
+* Do not use any for/while loops or Array#forEach.
+* Do not create any unecessary functions e.g. helpers.
 
 ## Hint
 
 * Try chaining some Array methods!
 
-## Expected Output
+## Example
 
 The function should return an array containing the messages themselves,
 *without their containing object*.
diff --git a/problems/basic_inheritance_with_objectcreate/problem.md b/problems/basic_inheritance_with_objectcreate/problem.md
@@ -40,7 +40,7 @@ User.prototype.toString = function() {
 
 Note: you do not need to copy this into your solution.
 
-## Expected Output
+## Example
 
 From your exported function, return a `BetterUser` constructor function
 that extends `User` with a custom `toString` method that works like so:
@@ -54,6 +54,7 @@ console.log('Hello ' + joe) // 'Hello [BetterUser: Mr. Joe Smith]'
 
 * Don't call the User constructor unnecessarily!
 * Don't use `__proto__`
+* Do not create any unecessary functions e.g. helpers.
 
 ## Resources
 
diff --git a/problems/basic_inheritance_without_objectcreate/problem.md b/problems/basic_inheritance_without_objectcreate/problem.md
@@ -63,7 +63,7 @@ User.prototype.toString = function() {
 
 Note: you do not need to copy this into your solution.
 
-## Expected Output
+## Example
 
 From your exported function, return a `BetterUser` constructor function
 that extends `User` with a custom `toString` method that works like so:
diff --git a/problems/basic_map/problem.md b/problems/basic_map/problem.md
@@ -20,10 +20,9 @@ module.exports = doubleAll
 
 ## Conditions
 
-* Do not use any for/while loops.
-* You do not need to define any additional functions
- unless a stub is provided in the boilerplate.
 * Your solution should use Array.prototype.map()
+* Do not use any for/while loops or Array.prototype.forEach.
+* Do not create any unecessary functions e.g. helpers.
 
 ## Resources
 
diff --git a/problems/basic_recursion/problem.md b/problems/basic_recursion/problem.md
@@ -56,7 +56,8 @@ reduce([1,2,3], function(prev, curr, index, arr) {
 ## Conditions
 
 * Do not use any for/while loops.
-* Do not use any Array methods like map or reduce.
+* Do not use any Array methods like Array#map or Array#reduce.
+* Do not create any unecessary functions e.g. helpers.
 
 ## Resources
 
diff --git a/problems/basic_reduce/problem.md b/problems/basic_reduce/problem.md
@@ -25,9 +25,8 @@ console.log(countWords(inputWords))
 
 ## Conditions
 
-* Do not use any for/while loops.
-* You do not need to define any additional functions
- unless a stub is provided in the boilerplate.
+* Do not use any for/while loops or Array#forEach.
+* Do not create any unecessary functions e.g. helpers.
 
 ## Resources
 
diff --git a/problems/blocking_event_loop/problem.md b/problems/blocking_event_loop/problem.md
@@ -10,6 +10,11 @@ loop such that the timeout fires before 1500 milliseconds elapse.
 
 Try to perform as many operations as you can before the timeout fires!
 
+## Conditions
+
+* Do not use any for/while loops or Array#forEach.
+* Do not create any unecessary functions e.g. helpers.
+
 ## Hints
 
 * If your program takes a long time to run, something is probably wrong.
diff --git a/problems/currying/problem.md b/problems/currying/problem.md
@@ -56,6 +56,10 @@ console.log(curryA(10)) // => 13
 console.log(curryN(add3)(1)(2)(3)) // => 6
 ```
 
+## Conditions
+
+* Do not use any for/while loops or Array#forEach.
+
 ## Hint
 
 * You can detect the number of expected arguments to a function (it's arity)
diff --git a/problems/function_call/problem.md b/problems/function_call/problem.md
@@ -3,7 +3,7 @@
 Write a function that allows you to use `Array.prototype.slice` without 
 using `.call` to invoke it.
 
-Normally you have to use slice with call or apply:
+Normally you have to use `slice` with `call` or `apply`:
 
 ```js
 var slice = Array.prototype.slice
@@ -23,7 +23,7 @@ function() {
 }
 ```
 
-## Expected Output
+## Example
 
 A function, `slice` that exhibits the following behaviour:
 
@@ -44,14 +44,15 @@ nums.slice(1, 2) // [2]
 
 ## Conditions
 
+* Do not use any for/while loops or Array#forEach.
 * Do not use the `function` keyword :D
 
 ## Hints
 
 * This is absolutely a one liner.
 * Every JavaScript Function inherits methods such as call, apply and bind
   from the object `Function.prototype`.
-* Function#call executes whatever the value of `this` when it's invoked. 
+* Function#call executes whatever the value of `this` when it's invoked.
   e.g. someFunction.call() // `this` inside `call` is `someFunction`
 * Function.call itself is a function thus it inherits from `Function.prototype`
 
diff --git a/problems/function_spies/problem.md b/problems/function_spies/problem.md
@@ -24,9 +24,9 @@ console.log(spy.count) // 3
 
 ## Conditions
 
-* Do not use any for/while loops.
+* Do not use any for/while loops or Array#forEach.
 * Do not create any unecessary functions e.g. helpers.
- 
+
 ## Hint
 
 * Functions have context, input and output. Make sure you consider the context,
diff --git a/problems/implement_map_with_reduce/problem.md b/problems/implement_map_with_reduce/problem.md
@@ -1,8 +1,8 @@
+# Task
+
 Use Array#reduce to implement a simple version of Array#map.
 
-#####################
-## Expected Output ##
-#####################
+## Expected Output
 
 A function `map` that applies a function to each item in an array and
 collects the results in a new Array.
@@ -20,23 +20,17 @@ console.log(output) // => [2,4,6,8,10]
 
 ```
 
-###########
-## Input ##
-###########
+## Arguments
 
 * input: an arbitrary Array of any type.
 * operation: an arbitrary Function which can be applied to items in `input`.
 
-###############
-## Resources ##
-###############
+## Resources
 
 * https://en.wikipedia.org/wiki/Reduce_(higher-order_function)
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce
 
-#################
-## Boilerplate ##
-#################
+## Boilerplate
 
 ```js
 
diff --git a/problems/partial_application_with_bind/problem.md b/problems/partial_application_with_bind/problem.md
@@ -1,3 +1,5 @@
+# Task
+
 **Use Function#bind** to implement a logging function that allows you to namespace messages.
 
 Your implementation should take a namespace string, and return a function that prints
@@ -7,15 +9,11 @@ Make sure *all* arguments passed to the returned logging function are printed.
 
 ** Print the output to the console directly **
 
-###############
-## Arguments ##
-###############
+## Arguments
 
 * namespace: a String to prepend to each message passed to the returned function.
 
-#############
-## Example ##
-#############
+## Example
 
 ```js
 
@@ -29,15 +27,11 @@ warn('this is a warning message', 'with more info')
 
 ```
 
-################
-## Conditions ##
-################
+## Conditions
 
 * Use Function#bind
 
-#################
-## Boilerplate ##
-#################
+## Boilerplate
 
 ```js
 
@@ -47,8 +41,6 @@ module.exports = function(namespace) {
 
 ```
 
-###############
-## Resources ##
-###############
+## Resources
 
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind
diff --git a/problems/partial_application_without_bind/problem.md b/problems/partial_application_without_bind/problem.md
@@ -46,9 +46,7 @@ addTen(0) // => 10
 All of the above examples are same as calling `add(10, y)`, where `y` was supplied in the call to 
 the appropriately named `addTen`.
 
-##########
-## Task ##
-##########
+# Task
 
 Use partial application to create a function that fixes the first argument to `console.log`.
 i.e. Implement a logging function that prepends a namespace string to its output.
@@ -62,15 +60,11 @@ Make sure *all* arguments passed to the returned logging function are printed.
 
 ** Print the output to the console directly **
 
-###############
-## Arguments ##
-###############
+## Arguments
 
 * namespace: a String to prepend to each message passed to the returned function.
 
-#############
-## Example ##
-#############
+## Example
 
 ```js
 
@@ -83,16 +77,12 @@ warn('this is a warning message', 'with more info')
 // WARN: this is a warning message with more info
 ```
 
-################
-## Conditions ##
-################
+## Conditions
 
 * Do not use Function#bind
 * Use Function#apply
 
-#################
-## Boilerplate ##
-#################
+## Boilerplate
 
 ```js
 
@@ -106,16 +96,12 @@ module.exports = logger
 
 ```
 
-###############
-## Resources ##
-###############
+## Resources
 
 * https://en.wikipedia.org/wiki/Partial_application
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/apply
 
-###########
-## Hints ##
-###########
+## Hints
 
 Remember `console.log` takes any number of arguments and prints them, separated by spaces:
 
diff --git a/problems/prototypical_inheritance_by_hand/problem.md b/problems/prototypical_inheritance_by_hand/problem.md
diff --git a/problems/recursion/problem.md b/problems/recursion/problem.md
diff --git a/problems/trampoline/problem.md b/problems/trampoline/problem.md
