Deep amend: Difference between revisions
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(Created page with "{{primitive|.[x;y[;f];z]}} '''Deep Amend''', also known as '''dmend''' or '''drill''' is a deep version of Amend which allows modification of elements which are nested de...") |
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{{primitive|.[x;y[;f];z]}} |
{{primitive|.[x;y[;f];z]}} |
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'''Deep Amend''', also known as '''dmend''' or '''drill''' is a deep version of [[Amend]] which allows modification of elements which are nested deep |
'''Deep Amend''', also known as '''dmend''' or '''drill''' is a deep version of [[Amend]] which allows modification of elements which are nested deep inside an array. |
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inside an array. |
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Deep Amend takes 3 or 4 arguments, where: |
Deep Amend takes 3 or 4 arguments, where: |
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* <code>x</code> is an array to amend |
* <code>x</code> is an array to amend |
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* <code>y</code> is the index route to amend |
* <code>y</code> is the index route to amend |
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* <code>z</code> |
* <code>z</code> is the function to apply to those indices |
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* <code>u</code> is the second argument to <code>z</code> |
* <code>u</code> (optional), is the second argument to <code>z</code> |
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It is very similar to [[Amend]] in its functionality. The main difference is that <code>y</code> when given an array indexes into subarrays when used. |
It is very similar to [[Amend]] in its functionality. The main difference is that <code>y</code> when given an array indexes into subarrays when used. |
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<pre> .[3 3#!9;1 1;-:] |
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0 1 2 |
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3 -4 5 |
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6 7 8</pre> |
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== ngn/k == |
== ngn/k == |
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ngn/k's amend has <code>z</code> as the optional argument, instead of having <code>f</code> as an optional argument. |
ngn/k's amend has <code>z</code> as the optional argument, instead of having <code>f</code> as an optional argument. |
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[[Category:Verbs]] |
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[[Category:Special forms]] |
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[[Category:Primitives]] |
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Latest revision as of 06:14, 9 July 2022
Deep amend
.[x;y[;f];z]
Deep Amend, also known as dmend or drill is a deep version of Amend which allows modification of elements which are nested deep inside an array.
Deep Amend takes 3 or 4 arguments, where:
xis an array to amendyis the index route to amendzis the function to apply to those indicesu(optional), is the second argument toz
It is very similar to Amend in its functionality. The main difference is that y when given an array indexes into subarrays when used.
.[3 3#!9;1 1;-:] 0 1 2 3 -4 5 6 7 8
ngn/k[edit]
ngn/k's amend has z as the optional argument, instead of having f as an optional argument.