diff --git a/documentation/docs/underscore.html b/documentation/docs/underscore.html index 8cd3661b..46246ebd 100644 --- a/documentation/docs/underscore.html +++ b/documentation/docs/underscore.html @@ -7,276 +7,44 @@ Portions of Underscore are inspired by or borrowed from Functional, and John Resig's Micro-Templating. For all details and documentation: -http://documentcloud.github.com/underscore/
Establish the root object, window
in the browser, or global
on the server.
root = this
Save the previous value of the _
variable.
previousUnderscore = root._
Establish the object that gets thrown to break out of a loop iteration.
-StopIteration
is SOP on Mozilla.
breaker = if typeof(StopIteration) is 'undefined' then '__break__' else StopIteration
Helper function to escape RegExp contents, because JS doesn't have one.
escapeRegExp = (string) -> string.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1')
Save bytes in the minified (but not gzipped) version:
ArrayProto = Array.prototype
- ObjProto = Object.prototype
Create quick reference variables for speed access to core prototypes.
slice = ArrayProto.slice
- unshift = ArrayProto.unshift
- toString = ObjProto.toString
- hasOwnProperty = ObjProto.hasOwnProperty
- propertyIsEnumerable = ObjProto.propertyIsEnumerable
All ECMA5 native implementations we hope to use are declared here.
nativeForEach = ArrayProto.forEach
- nativeMap = ArrayProto.map
- nativeReduce = ArrayProto.reduce
- nativeReduceRight = ArrayProto.reduceRight
- nativeFilter = ArrayProto.filter
- nativeEvery = ArrayProto.every
- nativeSome = ArrayProto.some
- nativeIndexOf = ArrayProto.indexOf
- nativeLastIndexOf = ArrayProto.lastIndexOf
- nativeIsArray = Array.isArray
- nativeKeys = Object.keys
Create a safe reference to the Underscore object for use below.
_ = (obj) -> new wrapper(obj)
Export the Underscore object for CommonJS.
if typeof(exports) != 'undefined' then exports._ = _
Export Underscore to global scope.
root._ = _
Current version.
_.VERSION = '1.0.2'
The cornerstone, an each implementation. -Handles objects implementing forEach, arrays, and raw objects.
_.each = (obj, iterator, context) ->
- try
- if nativeForEach and obj.forEach is nativeForEach
- obj.forEach iterator, context
- else if _.isNumber obj.length
- iterator.call(context, obj[i], i, obj) for i in [0...obj.length]
- else
- iterator.call(context, val, key, obj) for key, val of obj
- catch e
- throw e if e isnt breaker
- obj
Return the results of applying the iterator to each element. Use JavaScript -1.6's version of map, if possible.
_.map = (obj, iterator, context) ->
- return obj.map(iterator, context) if nativeMap and obj.map is nativeMap
- results = []
- _.each obj, (value, index, list) ->
- results.push iterator.call context, value, index, list
- results
Reduce builds up a single result from a list of values. Also known as -inject, or foldl. Uses JavaScript 1.8's version of reduce, if possible.
_.reduce = (obj, memo, iterator, context) ->
- return obj.reduce(_.bind(iterator, context), memo) if nativeReduce and obj.reduce is nativeReduce
- _.each obj, (value, index, list) ->
- memo = iterator.call context, memo, value, index, list
- memo
The right-associative version of reduce, also known as foldr. Uses -JavaScript 1.8's version of reduceRight, if available.
_.reduceRight = (obj, memo, iterator, context) ->
- return obj.reduceRight(_.bind(iterator, context), memo) if nativeReduceRight and obj.reduceRight is nativeReduceRight
- _.each _.clone(_.toArray(obj)).reverse(), (value, index) ->
- memo = iterator.call context, memo, value, index, obj
- memo
Return the first value which passes a truth test.
_.detect = (obj, iterator, context) ->
- result = null
- _.each obj, (value, index, list) ->
- if iterator.call context, value, index, list
- result = value
- _.breakLoop()
- result
Return all the elements that pass a truth test. Use JavaScript 1.6's -filter, if it exists.
_.filter = (obj, iterator, context) ->
- return obj.filter iterator, context if nativeFilter and obj.filter is nativeFilter
- results = []
- _.each obj, (value, index, list) ->
- results.push value if iterator.call context, value, index, list
- results
Return all the elements for which a truth test fails.
_.reject = (obj, iterator, context) ->
- results = []
- _.each obj, (value, index, list) ->
- results.push value if not iterator.call context, value, index, list
- results
Determine whether all of the elements match a truth test. Delegate to -JavaScript 1.6's every, if it is present.
_.every = (obj, iterator, context) ->
- iterator ||= _.identity
- return obj.every iterator, context if nativeEvery and obj.every is nativeEvery
- result = true
- _.each obj, (value, index, list) ->
- _.breakLoop() unless (result = result and iterator.call(context, value, index, list))
- result
Determine if at least one element in the object matches a truth test. Use -JavaScript 1.6's some, if it exists.
_.some = (obj, iterator, context) ->
- iterator ||= _.identity
- return obj.some iterator, context if nativeSome and obj.some is nativeSome
- result = false
- _.each obj, (value, index, list) ->
- _.breakLoop() if (result = iterator.call(context, value, index, list))
- result
Determine if a given value is included in the array or object,
-based on ===
.
_.include = (obj, target) ->
- return _.indexOf(obj, target) isnt -1 if nativeIndexOf and obj.indexOf is nativeIndexOf
- for key, val of obj
- return true if val is target
- false
Invoke a method with arguments on every item in a collection.
_.invoke = (obj, method) ->
- args = _.rest arguments, 2
- (if method then val[method] else val).apply(val, args) for val in obj
Convenience version of a common use case of map: fetching a property.
_.pluck = (obj, key) ->
- _.map(obj, (val) -> val[key])
Return the maximum item or (item-based computation).
_.max = (obj, iterator, context) ->
- return Math.max.apply(Math, obj) if not iterator and _.isArray(obj)
- result = computed: -Infinity
- _.each obj, (value, index, list) ->
- computed = if iterator then iterator.call(context, value, index, list) else value
- computed >= result.computed and (result = {value: value, computed: computed})
- result.value
Return the minimum element (or element-based computation).
_.min = (obj, iterator, context) ->
- return Math.min.apply(Math, obj) if not iterator and _.isArray(obj)
- result = computed: Infinity
- _.each obj, (value, index, list) ->
- computed = if iterator then iterator.call(context, value, index, list) else value
- computed < result.computed and (result = {value: value, computed: computed})
- result.value
Sort the object's values by a criterion produced by an iterator.
_.sortBy = (obj, iterator, context) ->
- _.pluck(((_.map obj, (value, index, list) ->
- {value: value, criteria: iterator.call(context, value, index, list)}
- ).sort((left, right) ->
- a = left.criteria; b = right.criteria
- if a < b then -1 else if a > b then 1 else 0
- )), 'value')
Use a comparator function to figure out at what index an object should -be inserted so as to maintain order. Uses binary search.
_.sortedIndex = (array, obj, iterator) ->
- iterator ||= _.identity
- low = 0
- high = array.length
- while low < high
- mid = (low + high) >> 1
- if iterator(array[mid]) < iterator(obj) then low = mid + 1 else high = mid
- low
Convert anything iterable into a real, live array.
_.toArray = (iterable) ->
- return [] if (!iterable)
- return iterable.toArray() if (iterable.toArray)
- return iterable if (_.isArray(iterable))
- return slice.call(iterable) if (_.isArguments(iterable))
- _.values(iterable)
Return the number of elements in an object.
_.size = (obj) -> _.toArray(obj).length
Get the first element of an array. Passing n
will return the first N
+http://documentcloud.github.com/underscore/
undefined
undefined
Establish the root object, window
in the browser, or global
on the server.
undefined
Save the previous value of the _
variable.
undefined
Establish the object that gets thrown to break out of a loop iteration.
+StopIteration
is SOP on Mozilla.
undefined
Helper function to escape RegExp contents, because JS doesn't have one.
undefined
Save bytes in the minified (but not gzipped) version:
undefined
Create quick reference variables for speed access to core prototypes.
undefined
All ECMA5 native implementations we hope to use are declared here.
undefined
Create a safe reference to the Underscore object for use below.
undefined
Export the Underscore object for CommonJS.
undefined
Export Underscore to global scope.
undefined
Current version.
undefined
undefined
The cornerstone, an each implementation. +Handles objects implementing forEach, arrays, and raw objects.
undefined
Return the results of applying the iterator to each element. Use JavaScript +1.6's version of map, if possible.
undefined
Reduce builds up a single result from a list of values. Also known as +inject, or foldl. Uses JavaScript 1.8's version of reduce, if possible.
undefined
The right-associative version of reduce, also known as foldr. Uses +JavaScript 1.8's version of reduceRight, if available.
undefined
Return the first value which passes a truth test.
undefined
Return all the elements that pass a truth test. Use JavaScript 1.6's +filter, if it exists.
undefined
Return all the elements for which a truth test fails.
undefined
Determine whether all of the elements match a truth test. Delegate to +JavaScript 1.6's every, if it is present.
undefined
Determine if at least one element in the object matches a truth test. Use +JavaScript 1.6's some, if it exists.
undefined
Determine if a given value is included in the array or object,
+based on ===
.
undefined
Invoke a method with arguments on every item in a collection.
undefined
Convenience version of a common use case of map: fetching a property.
undefined
Return the maximum item or (item-based computation).
undefined
Return the minimum element (or element-based computation).
undefined
Sort the object's values by a criterion produced by an iterator.
undefined
Use a comparator function to figure out at what index an object should +be inserted so as to maintain order. Uses binary search.
undefined
Convert anything iterable into a real, live array.
undefined
Return the number of elements in an object.
undefined
undefined
Get the first element of an array. Passing n
will return the first N
values in the array. Aliased as head. The guard
check allows it to work
-with map.
_.first = (array, n, guard) ->
- if n and not guard then slice.call(array, 0, n) else array[0]
Returns everything but the first entry of the array. Aliased as tail. +with map.
undefined
Returns everything but the first entry of the array. Aliased as tail.
Especially useful on the arguments object. Passing an index
will return
the rest of the values in the array from that index onward. The guard
-check allows it to work with map.
_.rest = (array, index, guard) ->
- slice.call(array, if _.isUndefined(index) or guard then 1 else index)
Get the last element of an array.
_.last = (array) -> array[array.length - 1]
Trim out all falsy values from an array.
_.compact = (array) -> item for item in array when item
Return a completely flattened version of an array.
_.flatten = (array) ->
- _.reduce array, [], (memo, value) ->
- return memo.concat(_.flatten(value)) if _.isArray value
- memo.push value
- memo
Return a version of the array that does not contain the specified value(s).
_.without = (array) ->
- values = _.rest arguments
- val for val in _.toArray(array) when not _.include values, val
Produce a duplicate-free version of the array. If the array has already -been sorted, you have the option of using a faster algorithm.
_.uniq = (array, isSorted) ->
- memo = []
- for el, i in _.toArray array
- memo.push el if i is 0 || (if isSorted is true then _.last(memo) isnt el else not _.include(memo, el))
- memo
Produce an array that contains every item shared between all the -passed-in arrays.
_.intersect = (array) ->
- rest = _.rest arguments
- _.select _.uniq(array), (item) ->
- _.all rest, (other) ->
- _.indexOf(other, item) >= 0
Zip together multiple lists into a single array -- elements that share -an index go together.
_.zip = ->
- length = _.max _.pluck arguments, 'length'
- results = new Array length
- for i in [0...length]
- results[i] = _.pluck arguments, String i
- results
If the browser doesn't supply us with indexOf (I'm looking at you, MSIE), +check allows it to work with map.
undefined
Get the last element of an array.
undefined
Trim out all falsy values from an array.
undefined
Return a completely flattened version of an array.
undefined
Return a version of the array that does not contain the specified value(s).
undefined
Produce a duplicate-free version of the array. If the array has already +been sorted, you have the option of using a faster algorithm.
undefined
Produce an array that contains every item shared between all the +passed-in arrays.
undefined
Zip together multiple lists into a single array -- elements that share +an index go together.
undefined
If the browser doesn't supply us with indexOf (I'm looking at you, MSIE), we need this function. Return the position of the first occurence of an -item in an array, or -1 if the item is not included in the array.
_.indexOf = (array, item) ->
- return array.indexOf item if nativeIndexOf and array.indexOf is nativeIndexOf
- i = 0; l = array.length
- while l - i
- if array[i] is item then return i else i++
- -1
Provide JavaScript 1.6's lastIndexOf, delegating to the native function, -if possible.
_.lastIndexOf = (array, item) ->
- return array.lastIndexOf(item) if nativeLastIndexOf and array.lastIndexOf is nativeLastIndexOf
- i = array.length
- while i
- if array[i] is item then return i else i--
- -1
Generate an integer Array containing an arithmetic progression. A port of -the native Python range function.
_.range = (start, stop, step) ->
- a = arguments
- solo = a.length <= 1
- i = start = if solo then 0 else a[0]
- stop = if solo then a[0] else a[1]
- step = a[2] or 1
- len = Math.ceil((stop - start) / step)
- return [] if len <= 0
- range = new Array len
- idx = 0
- loop
- return range if (if step > 0 then i - stop else stop - i) >= 0
- range[idx] = i
- idx++
- i+= step
Create a function bound to a given object (assigning this
, and arguments,
-optionally). Binding with arguments is also known as curry.
_.bind = (func, obj) ->
- args = _.rest arguments, 2
- -> func.apply obj or root, args.concat arguments
Bind all of an object's methods to that object. Useful for ensuring that -all callbacks defined on an object belong to it.
_.bindAll = (obj) ->
- funcs = if arguments.length > 1 then _.rest(arguments) else _.functions(obj)
- _.each funcs, (f) -> obj[f] = _.bind obj[f], obj
- obj
Delays a function for the given number of milliseconds, and then calls -it with the arguments supplied.
_.delay = (func, wait) ->
- args = _.rest arguments, 2
- setTimeout((-> func.apply(func, args)), wait)
Defers a function, scheduling it to run after the current call stack has -cleared.
_.defer = (func) ->
- _.delay.apply _, [func, 1].concat _.rest arguments
Returns the first function passed as an argument to the second, +item in an array, or -1 if the item is not included in the array.
undefined
Provide JavaScript 1.6's lastIndexOf, delegating to the native function, +if possible.
undefined
Generate an integer Array containing an arithmetic progression. A port of +the native Python range function.
undefined
undefined
Create a function bound to a given object (assigning this
, and arguments,
+optionally). Binding with arguments is also known as curry.
undefined
Bind all of an object's methods to that object. Useful for ensuring that +all callbacks defined on an object belong to it.
undefined
Delays a function for the given number of milliseconds, and then calls +it with the arguments supplied.
undefined
Memoize an expensive function by storing its results.
undefined
Defers a function, scheduling it to run after the current call stack has +cleared.
undefined
Returns the first function passed as an argument to the second, allowing you to adjust arguments, run code before and after, and -conditionally execute the original function.
_.wrap = (func, wrapper) ->
- -> wrapper.apply wrapper, [func].concat arguments
Returns a function that is the composition of a list of functions, each -consuming the return value of the function that follows.
_.compose = ->
- funcs = arguments
- ->
- args = arguments
- for i in [(funcs.length - 1)..0]
- args = [funcs[i].apply(this, args)]
- args[0]
Retrieve the names of an object's properties.
_.keys = nativeKeys or (obj) ->
- return _.range 0, obj.length if _.isArray(obj)
- key for key, val of obj
Retrieve the values of an object's properties.
_.values = (obj) ->
- _.map obj, _.identity
Return a sorted list of the function names available in Underscore.
_.functions = (obj) ->
- _.filter(_.keys(obj), (key) -> _.isFunction(obj[key])).sort()
Extend a given object with all of the properties in a source object.
_.extend = (obj) ->
- for source in _.rest(arguments)
- (obj[key] = val) for key, val of source
- obj
Create a (shallow-cloned) duplicate of an object.
_.clone = (obj) ->
- return obj.slice 0 if _.isArray obj
- _.extend {}, obj
Invokes interceptor with the obj, and then returns obj. -The primary purpose of this method is to "tap into" a method chain, in order to perform operations on intermediate results within the chain.
_.tap = (obj, interceptor) ->
- interceptor obj
- obj
Perform a deep comparison to check if two objects are equal.
_.isEqual = (a, b) ->
Check object identity.
return true if a is b
Different types?
atype = typeof(a); btype = typeof(b)
- return false if atype isnt btype
Basic equality test (watch out for coercions).
return true if `a == b`
One is falsy and the other truthy.
return false if (!a and b) or (a and !b)
One of them implements an isEqual()
?
return a.isEqual(b) if a.isEqual
Check dates' integer values.
return a.getTime() is b.getTime() if _.isDate(a) and _.isDate(b)
Both are NaN?
return true if _.isNaN(a) and _.isNaN(b)
Compare regular expressions.
if _.isRegExp(a) and _.isRegExp(b)
- return a.source is b.source and
- a.global is b.global and
- a.ignoreCase is b.ignoreCase and
- a.multiline is b.multiline
If a is not an object by this point, we can't handle it.
return false if atype isnt 'object'
Check for different array lengths before comparing contents.
return false if a.length and (a.length isnt b.length)
Nothing else worked, deep compare the contents.
aKeys = _.keys(a); bKeys = _.keys(b)
Different object sizes?
return false if aKeys.length isnt bKeys.length
Recursive comparison of contents.
(return false) for key, val of a when !(key in b) or !_.isEqual(val, b[key])
- true
Is a given array or object empty?
_.isEmpty = (obj) ->
- return obj.length is 0 if _.isArray obj
- (return false) for key of obj when hasOwnProperty.call(obj, key)
- true
Is a given value a DOM element?
_.isElement = (obj) -> obj and obj.nodeType is 1
Is a given value an array?
_.isArray = nativeIsArray or (obj) -> !!(obj and obj.concat and obj.unshift and not obj.callee)
Is a given variable an arguments object?
_.isArguments = (obj) -> obj and obj.callee
Is the given value a function?
_.isFunction = (obj) -> !!(obj and obj.constructor and obj.call and obj.apply)
Is the given value a string?
_.isString = (obj) -> !!(obj is '' or (obj and obj.charCodeAt and obj.substr))
Is a given value a number?
_.isNumber = (obj) -> (obj is +obj) or toString.call(obj) is '[object Number]'
Is a given value a boolean?
_.isBoolean = (obj) -> obj is true or obj is false
Is a given value a Date?
_.isDate = (obj) -> !!(obj and obj.getTimezoneOffset and obj.setUTCFullYear)
Is the given value a regular expression?
_.isRegExp = (obj) -> !!(obj and obj.exec and (obj.ignoreCase or obj.ignoreCase is false))
Is the given value NaN -- this one is interesting. NaN != NaN
, and
-isNaN(undefined) == true
, so we make sure it's a number first.
_.isNaN = (obj) -> _.isNumber(obj) and window.isNaN(obj)
Is a given value equal to null?
_.isNull = (obj) -> obj is null
Is a given variable undefined?
_.isUndefined = (obj) -> typeof obj is 'undefined'
Run Underscore.js in noConflict mode, returning the _
variable to its
-previous owner. Returns a reference to the Underscore object.
_.noConflict = ->
- root._ = previousUnderscore
- this
Keep the identity function around for default iterators.
_.identity = (value) -> value
Run a function n
times.
_.times = (n, iterator, context) ->
- iterator.call(context, i) for i in [0...n]
Break out of the middle of an iteration.
_.breakLoop = -> throw breaker
Add your own custom functions to the Underscore object, ensuring that -they're correctly added to the OOP wrapper as well.
_.mixin = (obj) ->
- for name in _.functions(obj)
- addToWrapper name, _[name] = obj[name]
Generate a unique integer id (unique within the entire client session). -Useful for temporary DOM ids.
idCounter = 0
- _.uniqueId = (prefix) ->
- (prefix or '') + idCounter++
By default, Underscore uses ERB-style template delimiters, change the -following template settings to use alternative delimiters.
_.templateSettings = {
- start: '<%'
- end: '%>'
- interpolate: /<%=(.+?)%>/g
- }
JavaScript templating a-la ERB, pilfered from John Resig's +conditionally execute the original function.
undefined
Returns a function that is the composition of a list of functions, each +consuming the return value of the function that follows.
undefined
undefined
Retrieve the names of an object's properties.
undefined
Retrieve the values of an object's properties.
undefined
Return a sorted list of the function names available in Underscore.
undefined
Extend a given object with all of the properties in a source object.
undefined
Create a (shallow-cloned) duplicate of an object.
undefined
Invokes interceptor with the obj, and then returns obj. +The primary purpose of this method is to "tap into" a method chain, in order to perform operations on intermediate results within the chain.
undefined
Perform a deep comparison to check if two objects are equal.
undefined
Check object identity.
undefined
Different types?
undefined
Basic equality test (watch out for coercions).
undefined
One is falsy and the other truthy.
undefined
One of them implements an isEqual()
?
undefined
Check dates' integer values.
undefined
Both are NaN?
undefined
Compare regular expressions.
undefined
If a is not an object by this point, we can't handle it.
undefined
Check for different array lengths before comparing contents.
undefined
Nothing else worked, deep compare the contents.
undefined
Different object sizes?
undefined
Recursive comparison of contents.
undefined
Is a given array or object empty?
undefined
Is a given value a DOM element?
undefined
Is a given value an array?
undefined
Is a given variable an arguments object?
undefined
Is the given value a function?
undefined
Is the given value a string?
undefined
Is a given value a number?
undefined
Is a given value a boolean?
undefined
Is a given value a Date?
undefined
Is the given value a regular expression?
undefined
Is the given value NaN -- this one is interesting. NaN != NaN
, and
+isNaN(undefined) == true
, so we make sure it's a number first.
undefined
Is a given value equal to null?
undefined
Is a given variable undefined?
undefined
undefined
Run Underscore.js in noConflict mode, returning the _
variable to its
+previous owner. Returns a reference to the Underscore object.
undefined
Keep the identity function around for default iterators.
undefined
Run a function n
times.
undefined
Break out of the middle of an iteration.
undefined
Add your own custom functions to the Underscore object, ensuring that +they're correctly added to the OOP wrapper as well.
undefined
Generate a unique integer id (unique within the entire client session). +Useful for temporary DOM ids.
undefined
By default, Underscore uses ERB-style template delimiters, change the +following template settings to use alternative delimiters.
undefined
JavaScript templating a-la ERB, pilfered from John Resig's Secrets of the JavaScript Ninja, page 83. -Single-quote fix from Rick Strahl.
_.template = (str, data) ->
- c = _.templateSettings
- endMatch = new RegExp("'(?=[^"+c.end.substr(0, 1)+"]*"+escapeRegExp(c.end)+")","g")
- fn = new Function 'obj',
- 'var p=[],print=function(){p.push.apply(p,arguments);};' +
- 'with(obj){p.push(\'' +
- str.replace(/[\r\t\n]/g, " ")
- .replace(endMatch,"\t")
- .split("'").join("\\'")
- .split("\t").join("'")
- .replace(c.interpolate, "',$1,'")
- .split(c.start).join("');")
- .split(c.end).join("p.push('") +
- "');}return p.join('');"
- if data then fn(data) else fn
_.forEach = _.each
- _.foldl = _.inject = _.reduce
- _.foldr = _.reduceRight
- _.select = _.filter
- _.all = _.every
- _.any = _.some
- _.head = _.first
- _.tail = _.rest
- _.methods = _.functions
If Underscore is called as a function, it returns a wrapped object that +Single-quote fix from Rick Strahl. +With alterations for arbitrary delimiters, and to preserve whitespace.
undefined
undefined
undefined
If Underscore is called as a function, it returns a wrapped object that can be used OO-style. This wrapper holds altered versions of all the -underscore functions. Wrapped objects may be chained.
wrapper = (obj) ->
- this._wrapped = obj
- this
Helper function to continue chaining intermediate results.
result = (obj, chain) ->
- if chain then _(obj).chain() else obj
A method to easily add functions to the OOP wrapper.
addToWrapper = (name, func) ->
- wrapper.prototype[name] = ->
- args = _.toArray arguments
- unshift.call args, this._wrapped
- result func.apply(_, args), this._chain
Add all of the Underscore functions to the wrapper object.
_.mixin _
Add all mutator Array functions to the wrapper.
_.each ['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], (name) ->
- method = Array.prototype[name]
- wrapper.prototype[name] = ->
- method.apply(this._wrapped, arguments)
- result(this._wrapped, this._chain)
Add all accessor Array functions to the wrapper.
_.each ['concat', 'join', 'slice'], (name) ->
- method = Array.prototype[name]
- wrapper.prototype[name] = ->
- result(method.apply(this._wrapped, arguments), this._chain)
Start chaining a wrapped Underscore object.
wrapper::chain = ->
- this._chain = true
- this
Extracts the result from a wrapped and chained object.
wrapper::value = -> this._wrapped
-
-