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- Dictionaryde·fer/dəˈfər/
verb
- 1. put off (an action or event) to a later time; postpone: "they deferred the decision until February"
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Sep 7, 2015 · The deferred block takes no parameters, but captures the entire scope by reference. Lambdas with captures can't implicitly convert to, say, void(*)(), since the capture necessitates storage.
Jul 1, 2023 · #define DEFER(cleanup) for (_Bool done_ = 0; !done_; (cleanup), done_ = 1) That defers evaluation of the expression given by the argument to DEFER until after completion of the next statement, which can be, but does not need to be, a compound one.
Apr 30, 2015 · EXPAND(DEFER(A)()) // cursor starts at the head etc. ^ // identifies call to EXPAND EXPAND( DEFER(A)() ) // attempt to expand the argument ^ // this does the same as the first // example, in a NESTED CONTEXT // replace occurrences of __VA_ARGS__ in EXPAND with A () // then replace the call with the substituted body A // pop cursor position (start of pasted subsequence) ^ // identifies A, and ...
The defer attribute shouldn't be used on scripts that don't have the src attribute. Since Gecko 1.9.2, the defer attribute is ignored on scripts that don't have the src attribute. However, in Gecko 1.9.1 even inline scripts are deferred if the defer attribute is set. defer works with chrome , firefox , ie > 7 and Safari
In short: it is a smart pointers in C question. Reason: embedded programming and need to ensure that if complex algorithm is used, then proper deallocation occurs with little effort on the developer
Sep 26, 2021 · In this Modern C video there's a trick that allows to postpone execution of a code until the block/scope exits. It's used as follows: int main() { int foo=0, bar; const char *etc = "Some
Mar 17, 2021 · Both use same technique and use an object to do the RAII. so the macro (#define) is to declare an "unique" identifier (of the type of their object) to be able to call defer several time in the same function, so after MACRO replacement, it result to something like:
Mar 16, 2016 · #define N_ 0 #define N_X 1 #define M(a) N_ M(arg)X; // #1 -- I'd like this to expand to N_X, and ultimately 1; but it's 0X instead M(arg); // #2 -- this should and does expand to 0 The problem with #1 is that after expanding M(), the result contains N_, and before concatenating it with X, the preprocessor finds and expands it.
Feb 5, 2011 · Today I read about the defer statement in the Go language: A defer statement pushes a function call onto a list. The list of saved calls is executed after the surrounding function returns. Defer is commonly used to simplify functions that perform various clean-up actions.
Jun 24, 2017 · function defer() { var deferred = {}; deferred.promise = new Promise(resolve => { deferred.resolve = resolve; }); return deferred; } One can see that the compiled javascript is funny. In line 15, during declaration of _this already its properties are being assigned.
