Added toit doc to the methodes

src/ringbuffer.toit

@@ -7,16 +7,25 @@ class RingBuffer:
   size_/int
   buffer/List
 
+  /**
+  Constructs a new RingBuffer with a given size
+  */
   constructor size/int:
     if size < 1: throw "RingBuffer size must be larger then 0"
     size_ = size
     buffer = List size 0.0
-
+
+  /**
+  Appends a given float value to the buffer 
+  */
   append value/float:
     buffer[head] = value
     head = (head + 1) % size_
     count = min (count + 1) size_
 
+  /**
+  Returns true if the buffer is empty, false otherwise
+  */
   is_empty -> bool:
     return count == 0
 
@@ -29,16 +38,28 @@ class RingBuffer:
       else: result = block.call result buffer[i]
     return result
 
+  /**
+  Return the minimum value in the buffer
+  */
   minimum -> float:
     return reduce : | a b | min a b
 
+  /**
+  Return the maximum value in the buffer
+  */
   maximum -> float:
     return reduce : | a b | max a b
 
+  /**
+  Return the average value of all elements in the buffer
+  */
   average -> float:
     sum := reduce : | a b | a + b
     return sum / count
 
+  /**
+  Return the standard deviation of all elements in the buffer
+  */
   std_deviation -> float:
     if is_empty: throw "Not enough elements"
     if count < 2:
@@ -47,5 +68,8 @@ class RingBuffer:
     variance := reduce : | a b | a += math.pow (b - avg) 2
     return math.sqrt variance / size_
 
+  /**
+  Return the last value appended to the buffer
+  */
   get_last -> float:
     return buffer[(head - 1 + size_) % size_]