ErrnoException.enforceRetPtr

Calls enforceRet expecting Func to return non-NULL

Wraps enforceRet with a lambda that verifies that return value is not null

class ErrnoException

Caller!(typeof(&Func))

enforceRetPtr

(

alias Func

)

(

istring file = __FILE__

int line = __LINE__

)

Return Value

Type: Caller!(typeof(&Func))

same as enforceRet

Examples

extern(C) static void* func ( )
{
    .errno = EMFILE;
    return null;
}

try
{
    (new ErrnoException).enforceRetPtr!(func).call();
    test(false);
}
catch (ErrnoException e)
{
    test!("==")(e.message(), "func: Too many open files"[]);
    test!("==")(e.line, __LINE__ - 6);
}

ErrnoException.enforceRetPtr

Return Value

Examples

Meta

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