This PR was merged into the master branch.
Discussion
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Update slice.rst
I was (somehow) misled by the example, thinking `'1234'[2:]` outputs `34` because it `2:` mean copy the last 2 characters...
This happens when you are in a hurry and didn't look into the text.
Let makes it less ambiguous.
Commits
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3ddff67 Update slice.rst
... | ... |
@@ -8,11 +8,11 @@ The ``slice`` filter extracts a slice of a sequence, a mapping, or a string: |
8 | 8 |
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.. code-block:: jinja |
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- {% for i in [1, 2, 3, 4]|slice(1, 2) %} |
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+ {% for i in [1, 2, 3, 4, 5]|slice(1, 2) %} |
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{# will iterate over 2 and 3 #} |
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{% endfor %} |
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- {{ '1234'|slice(1, 2) }} |
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+ {{ '12345'|slice(1, 2) }} |
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{# outputs 23 #} |
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|
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@@ -20,7 +20,7 @@ You can use any valid expression for both the start and the length: |
20 | 20 |
|
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.. code-block:: jinja |
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|
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- {% for i in [1, 2, 3, 4]|slice(start, length) %} |
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+ {% for i in [1, 2, 3, 4, 5]|slice(start, length) %} |
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{# ... #} |
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{% endfor %} |
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|
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@@ -28,17 +28,17 @@ As syntactic sugar, you can also use the ``[]`` notation: |
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.. code-block:: jinja |
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- {% for i in [1, 2, 3, 4][start:length] %} |
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+ {% for i in [1, 2, 3, 4, 5][start:length] %} |
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{# ... #} |
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{% endfor %} |
34 | 34 |
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- {{ '1234'[1:2] }} |
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+ {{ '12345'[1:2] }} |
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{# you can omit the first argument -- which is the same as 0 #} |
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- {{ '1234'[:2] }} {# will display "12" #} |
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+ {{ '12345'[:2] }} {# will display "12" #} |
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{# you can omit the last argument -- which will select everything till the end #} |
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- {{ '1234'[2:] }} {# will display "34 #} |
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+ {{ '12345'[2:] }} {# will display "345" #} |
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The ``slice`` filter works as the `array_slice`_ PHP function for arrays and |
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`substr`_ for strings. |