+ # Capitalizes each word in `self`
+ #
+ # Letters that follow a letter are lowercased
+ # Letters that follow a non-letter are upcased.
+ #
+ # SEE: `Char::is_letter` for the definition of a letter.
+ #
+ # var b = new FlatBuffer.from("jAVAsCriPt")"
+ # b.capitalize
+ # assert b == "Javascript"
+ # b = new FlatBuffer.from("i am root")
+ # b.capitalize
+ # assert b == "I Am Root"
+ # b = new FlatBuffer.from("ab_c -ab0c ab\nc")
+ # b.capitalize
+ # assert b == "Ab_C -Ab0C Ab\nC"
+ fun capitalize do
+ if length == 0 then return
+ var c = self[0].to_upper
+ self[0] = c
+ var prev: Char = c
+ for i in [1 .. length[ do
+ prev = c
+ c = self[i]
+ if prev.is_letter then
+ self[i] = c.to_lower
+ else
+ self[i] = c.to_upper
+ end
+ end
+ end
+