add Enum.slide/3

Author: superruzafa

assets/images/functions/Enum/slide-3.2.tex

@@ -0,0 +1,31 @@
+\matrix [list=a] {
+    \node [index=0]; &
+    \node [elements between]; &
+    \node {$a_{\small{\texttt{dst}}}$}; &
+    \node [elements between]; &
+    \node (afirst) {$a_{\small{\texttt{first}}}$}; &
+    \node [elements between]; &
+    \node (alast) {$a_{\small{\texttt{last}}}$}; &
+    \node [index=n-1]; \\
+};
+
+\matrix [list=b, element=a, below=2 of list a] {
+    \node [index=0]; &
+    \node [elements between]; &
+    \node (bfirst) {$a_{\small{\texttt{first}}}$}; &
+    \node [elements between]; &
+    \node (blast) {$a_{\small{\texttt{last}}}$}; &
+    \node {$a_{\small{\texttt{dst}}}$}; &
+    \node [elements between]; &
+    \node [index=n-1]; \\
+};
+
+\draw [interval=a, interval segments={{2/5}/solid,{3/5}/dashed,1/solid}] ([yshift=5mm]afirst.north west) -- ([yshift=5mm]alast.north east);
+
+\node [above=0 of interval a mark top 1] {\texttt{first}};
+\node [above=0 of interval a mark top 4] {\texttt{last}};
+
+\bracetobrace
+{alast.south east}{afirst.south west}
+{bfirst.north west}{blast.north east}
+

assets/images/functions/Enum/slide-3.3.tex

@@ -0,0 +1,26 @@
+\matrix [list=a] {
+    \node [index=-n]; &
+    \node [elements between]; &
+    \node {$a_{\small{\texttt{src}-1}}$}; &
+    \node (asrc) {$a_{\small{\texttt{src}}}$}; &
+    \node {$a_{\small{\texttt{src}+1}}$}; &
+    \node [elements between]; &
+    \node {$a_{\small{-\texttt{dst}}}$}; &
+    \node [elements between]; &
+    \node [index=-1]; \\
+};
+
+\matrix [list=b, element=a, below=2 of list a] {
+    \node [index=-n]; &
+    \node [elements between]; &
+    \node {$a_{\small{\texttt{src}-1}}$}; &
+    \node {$a_{\small{\texttt{src}+1}}$}; &
+    \node [elements between]; &
+    \node {$a_{\small{-\texttt{dst}}}$}; &
+    \node (bsrc) {$a_{\small{\texttt{src}}}$}; &
+    \node [elements between]; &
+    \node [index=-1]; \\
+};
+
+\draw [->, out=270, in=90] (asrc) to (bsrc);
+

assets/images/functions/Enum/slide-3.tex

@@ -0,0 +1,26 @@
+\matrix [list=a] {
+    \node [index=0]; &
+    \node [elements between]; &
+    \node {$a_{\small{\texttt{dst}}}$}; &
+    \node [elements between]; &
+    \node {$a_{\small{\texttt{src}-1}}$}; &
+    \node (asrc) {$a_{\small{\texttt{src}}}$}; &
+    \node {$a_{\small{\texttt{src}+1}}$}; &
+    \node [elements between]; &
+    \node [index=n-1]; \\
+};
+
+\matrix [list=b, element=a, below=2 of list a] {
+    \node [index=0]; &
+    \node [elements between]; &
+    \node (bsrc) {$a_{\small{\texttt{src}}}$}; &
+    \node {$a_{\small{\texttt{dst}}}$}; &
+    \node [elements between]; &
+    \node {$a_{\small{\texttt{src}-1}}$}; &
+    \node {$a_{\small{\texttt{src}+1}}$}; &
+    \node [elements between]; &
+    \node [index=n-1]; \\
+};
+
+\draw [->, out=270, in=90] (asrc) to (bsrc);
+

content/en/functions/Enum/slide-3.md

@@ -0,0 +1,17 @@
+---
+title: slide/3
+url: Enum/slide/3
+---
+
+Slides a single element of the `enumerable` from `src` to `dst`.
+
+{{< figure src="images/functions/Enum/slide-3.svg" >}}
+
+When `src` is a `Range` then multiple elements are slided.
+
+{{< figure src="images/functions/Enum/slide-3.2.svg" >}}
+
+When `dst` is negative count is done from the end.
+
+{{< figure src="images/functions/Enum/slide-3.3.svg" >}}
+

data/signatures.yaml

@@ -329,6 +329,11 @@
         defmodule Enum do
           def slice(enumerable, start, count)
         end
+    - name: slide/3
+      signature: |
+        defmodule Enum do
+          def slide(enumerable, src, dst)
+        end
     - name: sort/1
       signature: |
         defmodule Enum do