Added examples to API docs

docs/source/plugin-api.rst

@@ -51,4 +51,63 @@ Useful functions
 Examples
 --------
 
-TODO
+Completions:
+
+.. sourcecode:: python
+
+   >>> import jedi
+   >>> source = '''import json; json.l'''
+   >>> script = jedi.Script(source, 1, 19, '')
+   >>> script
+   <jedi.api.Script object at 0x2121b10>
+   >>> completions = script.complete()
+   >>> completions
+   [<Completion: load>, <Completion: loads>]
+   >>> completions[1]
+   <Completion: loads>
+   >>> completions[1].complete
+   'oads'
+   >>> completions[1].word
+   'loads'
+
+Definitions:
+
+.. sourcecode:: python
+
+    >>> import jedi
+    >>> source = '''def my_func():
+    ...     print 'called'
+    ... 
+    ... alias = my_func
+    ... my_list = [1, None, alias]
+    ... inception = my_list[2]
+    ... 
+    ... inception()'''
+    >>> script = jedi.Script(source, 8, 1, '')
+    >>>
+    >>> script.goto()
+    [<Definition inception=my_list[2]>]
+    >>>
+    >>> script.get_definition()
+    [<Definition def my_func>]
+
+Related names:
+
+.. sourcecode:: python
+
+    >>> import jedi
+    >>> source = '''x = 3
+    ... if 1 == 2:
+    ...     x = 4
+    ... else:
+    ...     del x'''
+    >>> script = jedi.Script(source, 5, 8, '')
+    >>> rns = script.related_names()
+    >>> rns
+    [<RelatedName x@3,4>, <RelatedName x@1,0>]
+    >>> rns[0].start_pos
+    (3, 4)
+    >>> rns[0].is_keyword
+    False
+    >>> rns[0].text
+    'x'