View source code
Display the source code in std/traits.d from which this page was generated on
github.
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
local clone.
Page wiki
View or edit the community-maintained wiki page associated with this page.
Enum std.traits.member isSafe
true if func is @safe or @trusted.
Declaration
enum isSafe(alias func) = (functionAttributes!func & FunctionAttribute.safe) != 0 || (functionAttributes!func & FunctionAttribute.trusted) != 0;
Example
@safe int add(int a, int b) {return a+b;}
@trusted int sub(int a, int b) {return a-b;}
@system int mul(int a, int b) {return a*b;}
static assert( isSafe!add);
static assert( isSafe!sub);
static assert(!isSafe!mul);
Authors
Walter Bright,
Tomasz Stachowiak (isExpressions