hohn/codeql
1
0
Fork 0
mirror of https://github.com/github/codeql.git synced 2026-05-01 19:55:15 +02:00
Code Issues Packages Projects Releases Wiki Activity

QL HB: Explain use of cast [SD-3865]

Browse Source
This commit is contained in:
Shati Patel
2019-09-09 15:47:04 +01:00
parent 4f2c9fa3cb
commit f5de1dc999
1 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
docs/language/ql-handbook/types.rst
View File

@@ -147,7 +147,11 @@ predicate from the :ref:`above <defining-class>` class::
1.(OneTwoThree).getAString()
This call returns the results ``"One, two or three: 1"``.
This call returns the result ``"One, two or three: 1"``.
The expression ``(OneTwoThree)`` is a :ref:`cast <casts>`. It ensures that ``1`` has type
``OneTwoThree`` instead of just ``int``. Therefore, it has access to the member predicate
``getAString()``.
Member predicates are especially useful because you can chain them together. For example, you
can use ``toUpperCase()``, a built-in function defined for ``string``::