Add bin and edit workflow

bin/gems/rouge-4.7.0/lib/rouge/demos/nim

@@ -0,0 +1,27 @@
+import math,strutils
+
+proc fixedWidth(input: string, minFieldSize: int):string {.inline.} =
+  # Note that field size is a minimum- will expand field if input
+  # string is larger
+  if input.startsWith("-"):
+    return(input & repeatchar(count=(abs(minFieldSize-len(input))),c=' '))
+  else:
+    return(" " & input & repeatchar(count=(abs(minFieldSize-len(input))-1),c=' '))
+
+template mathOnInterval(lowbound,highbound:float,counts: int,p:proc) =
+  block:
+    var step:    float = (highbound - lowbound)/(max(counts,1))
+    var current: float = lowbound
+    while current < highbound:
+      echo($fixedWidth($current,25) & ": " & $fixedWidth($p(current),25))
+      current += step
+
+echo "Sine of theta from 0 to 2*PI by PI/12"
+mathOnInterval(0.0,2.0*PI,12,sin)
+echo("\n")
+echo "Cosine of theta from 0 to 2*PI by PI/12"
+mathOnInterval(0.0,2.0*PI,12,cos)
+
+# The first example above is much the same as:
+# for i in 1..100:
+#   echo($sin( (float(i)/100.0) * 2.0*PI ))