Refactor diagram to use mermaid

Closes GH-74. Reviewed-by: Titus Wormer <[email protected]>
syntax-tree · Jul 28, 2022 · d395754 · d395754
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commit d395754
Showing 1 changed file with 6 additions and 16 deletions.
diff --git a/readme.md b/readme.md
@@ -349,22 +349,12 @@ Tree traversal is typically either *breadth-first* or *depth-first*.
 
 In the following examples, we’ll work with this tree:
 
-```ascii
- +---+
- | A |
- +-+-+
- |
- +-----+-----+
- | |
- +-+-+ +-+-+
- | B | | F |
- +-+-+ +-+-+
- | |
- +-----+--+--+ |
- | | | |
- +-+-+ +-+-+ +-+-+ +-+-+
- | C | | D | | E | | G |
- +---+ +---+ +---+ +---+
+```mermaid
+graph TD
+ A-->B-->C
+ B-->D
+ B-->E
+ A-->F-->G
 ```
 
 ###### Breadth-first traversal