Menu

- Learn
- Documentation
  - Language Reference
  - Library Reference
  - Command-line Reference
  - Feature Overview
  - Articles
- Downloads
- Packages
- Community
  - Blog
  - Orgs using D
  - Twitter
  - Calendar
  - Forums
  - IRC
  - Wiki
  - GitHub
  - Issues
  - Get involved
  - Contributors
  - Foundation
  - Security Team
  - Donate
  - Sponsors
- Resources
  - Tour
  - Books
  - Tutorials
  - Tools
  - Editors
  - IDEs
  - run.dlang.io
  - Visual D
  - Acknowledgments
  - D Style
  - Glossary
  - Sitemap

Search
Report a bug
If you spot a problem with this page, click here to create a Bugzilla issue.
Improve this page
Quickly fork, edit online, and submit a pull request for this page. Requires a signed-in GitHub account. This works well for small changes. If you'd like to make larger changes you may want to consider using a local clone.

# dmd.safe

Compiler implementation of the D programming language.
Authors:
Walter Bright
License:
Boost License 1.0

Source safe.d

Documentation https://dlang.org/phobos/dmd_safe.html

Coverage https://codecov.io/gh/dlang/dmd/src/master/src/dmd/safe.d

bool `checkUnsafeAccess`(Scope* `sc`, Expression `e`, bool `readonly`, bool `printmsg`);
  Check for unsafe access in @safe code: 1. read overlapped pointers 2. write misaligned pointers 3. write overlapped storage classes Print error if unsafe.
  Parameters:

  Scope* `sc` | scope
  Expression `e` | expression to check
  bool `readonly` | if access is read-only
  bool `printmsg` | print error message if true

  Returns:
  true if error
bool `isSafeCast`(Expression `e`, Type `tfrom`, Type `tto`);
  Determine if it is @safe to cast e from tfrom to tto.
  Parameters:

  Expression `e` | expression to be cast
  Type `tfrom` | type of e
  Type `tto` | type to cast e to

  Returns:
  true if @safe

Copyright © 1999-2019 by the D Language Foundation | Page generated by Ddoc on Sun Aug 4 14:34:44 2019