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[RFC-2011] Expand more expressions #111928
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r? @eholk (rustbot has picked a reviewer for you, use r? to override) |
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// ***** Disallowed ***** | ||
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New AST variants were created and nobody bothered to include them here and probably nobody will in the future. It is then better to just test allowed expressions.
Looks good to me. Thanks! @bors r+ |
[RFC-2011] Expand more expressions cc rust-lang#44838 Expands `if`, `let`, `match` and also makes `generic_assert_internals` an allowed feature when using `assert!`. `#![feature(generic_assert)]` is still needed to activate everything. ```rust #![feature(generic_assert)] fn fun(a: Option<i32>, b: Option<i32>, c: Option<i32>) { assert!( if a.is_some() { 1 } else { 2 } == 3 && if let Some(elem) = b { elem == 4 } else { false } && match c { Some(_) => true, None => false } ); } fn main() { fun(Some(1), None, Some(2)); } // Assertion failed: assert!( // if a.is_some() { 1 } else { 2 } == 3 // && if let Some(elem) = b { elem == 4 } else { false } // && match c { Some(_) => true, None => false } // ); // // With captures: // a = Some(1) // b = None // c = Some(2) ```
[RFC-2011] Expand more expressions cc rust-lang#44838 Expands `if`, `let`, `match` and also makes `generic_assert_internals` an allowed feature when using `assert!`. `#![feature(generic_assert)]` is still needed to activate everything. ```rust #![feature(generic_assert)] fn fun(a: Option<i32>, b: Option<i32>, c: Option<i32>) { assert!( if a.is_some() { 1 } else { 2 } == 3 && if let Some(elem) = b { elem == 4 } else { false } && match c { Some(_) => true, None => false } ); } fn main() { fun(Some(1), None, Some(2)); } // Assertion failed: assert!( // if a.is_some() { 1 } else { 2 } == 3 // && if let Some(elem) = b { elem == 4 } else { false } // && match c { Some(_) => true, None => false } // ); // // With captures: // a = Some(1) // b = None // c = Some(2) ```
☀️ Test successful - checks-actions |
Finished benchmarking commit (a525c7d): comparison URL. Overall result: no relevant changes - no action needed@rustbot label: -perf-regression Instruction countThis benchmark run did not return any relevant results for this metric. Max RSS (memory usage)ResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
CyclesResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
Binary sizeThis benchmark run did not return any relevant results for this metric. Bootstrap: 643.935s -> 643.531s (-0.06%) |
cc #44838
Expands
if
,let
,match
and also makesgeneric_assert_internals
an allowed feature when usingassert!
.#![feature(generic_assert)]
is still needed to activate everything.