Adjust docs & changelog for PR #271

#271

Author: dahlia

CHANGES.md

@@ -10,7 +10,9 @@ To be released.
 
  -  The `uri` type has completly gone; use `url` instead.
     [[#126], [#281] by Jonghun Park]
- -  Added constraints for numeric unboxed types. [[#206], [#271]]
+ -  Added [`@numeric-constraints`](docs/annotation.md#numeric-constraints)
+    annotation to constraint the range of unboxed types' values.
+    [[#206], [#271] by Seunghun Lee]
 
 ### Docs target
 

docs/annotation.md

@@ -132,12 +132,14 @@ class FileNotReadable(FileError):
 
 ### `@numeric-constraints`                                {#numeric-constraints}
 
-`@numeric-constraints` annotation constrain the range of the input value.
+`@numeric-constraints` annotation constrains the range of unboxed types' values.
 Currently, available annotation arguments are below:
 
-`min`: Minimum input value; inclusive
+`min`
+:   Minimum input value; inclusive.
 
-`max`: Maximum input value; inclusive
+`max`
+:   Maximum input value; inclusive.
 
 For example, the following first Nirum code is compiled to the second Python
 code:
@@ -148,13 +150,11 @@ unboxed month (int32);
 ~~~~~~~~
 
 ~~~~~~~~ python
-class Month(object):
-    ...
-    def __init__(self, value: '__builtin__.int') -> None:
-        ...
-        if not (value <= (12)):
+class Month:
+    def __init__(self, value: int) -> None:
+        if not value <= 12:
             raise ValueError("value is greater than 12")
-        if not (value >= (1)):
+        if not value >= 1:
             raise ValueError("value is less than 1")
         ...
  ~~~~~~~~