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Add _.sample.

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Former-commit-id: 00e27cca2a65e1310b26904173ffec18aa484e48
This commit is contained in:
John-David Dalton
2013-08-16 00:26:41 -07:00
parent 96605766bb
commit 425499b3aa
12 changed files with 530 additions and 296 deletions
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41
dist/lodash.underscore.js vendored
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@@ -2401,7 +2401,7 @@
result = Array(typeof length == 'number' ? length : 0);
forEach(collection, function(value) {
var rand = floor(nativeRandom() * (++index + 1));
var rand = random(++index);
result[index] = result[rand];
result[rand] = value;
});
@@ -2669,11 +2669,10 @@
}
/**
* Gets the first element of an array. If a number `n` is provided the first
* `n` elements of the array are returned. If a callback is provided elements
* at the beginning of the array are returned as long as the callback returns
* truthy. The callback is bound to `thisArg` and invoked with three arguments;
* (value, index, array).
* Gets the first element or first `n` elements of an array. If a callback
* is provided elements at the beginning of the array are returned as long
* as the callback returns truthy. The callback is bound to `thisArg` and
* invoked with three arguments; (value, index, array).
*
* If a property name is provided for `callback` the created "_.pluck" style
* callback will return the property value of the given element.
@@ -2827,11 +2826,10 @@
}
/**
* Gets all but the last element of an array. If a number `n` is provided
* the last `n` elements are excluded from the result. If a callback is
* provided elements at the end of the array are excluded from the result
* as long as the callback returns truthy. The callback is bound to `thisArg`
* and invoked with three arguments; (value, index, array).
* Gets all but the last element or last `n` elements of an array. If a
* callback is provided elements at the end of the array are excluded from
* the result as long as the callback returns truthy. The callback is bound
* to `thisArg` and invoked with three arguments; (value, index, array).
*
* If a property name is provided for `callback` the created "_.pluck" style
* callback will return the property value of the given element.
@@ -2940,12 +2938,10 @@
}
/**
* Gets the last element of an array. If a number `n` is provided the last
* `n` elements of the array are returned. If a callback is provided elements
* at the end of the array are returned as long as the callback returns truthy.
* The callback is bound to `thisArg` and invoked with three arguments;
* (value, index, array).
*
* Gets the last element or last `n` elements of an array. If a callback is
* provided elements at the end of the array are returned as long as the
* callback returns truthy. The callback is bound to `thisArg` and invoked
* with three arguments; (value, index, array).
*
* If a property name is provided for `callback` the created "_.pluck" style
* callback will return the property value of the given element.
@@ -3104,12 +3100,11 @@
}
/**
* The opposite of `_.initial` this method gets all but the first value of
* an array. If a number `n` is provided the first `n` values are excluded
* from the result. If a callback function is provided elements at the beginning
* of the array are excluded from the result as long as the callback returns
* truthy. The callback is bound to `thisArg` and invoked with three
* arguments; (value, index, array).
* The opposite of `_.initial` this method gets all but the first element or
* first `n` elements of an array. If a callback function is provided elements
* at the beginning of the array are excluded from the result as long as the
* callback returns truthy. The callback is bound to `thisArg` and invoked
* with three arguments; (value, index, array).
*
* If a property name is provided for `callback` the created "_.pluck" style
* callback will return the property value of the given element.