pnkfelix
/ gist:5503376
Created
May 2, 2013 16:24
Attempting to encode a nested (aka "non-regular", "non-uniform") data type in Rust.
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| enum Seq<A> { | |
| Nil, | |
| Cons{hd: A, tl:~Seq<(A,A)>} | |
| } | |
| impl<A> Seq<A> { | |
| fn len(&self) -> int { | |
| match self { | |
| &Nil => 0, | |
| &Cons{ hd: x, tl: ref s } => 1 + 2 * s.len() |
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| one: | |
| touch one | |
| two: | |
| false | |
| clean: | |
| rm one |
pnkfelix
/ gist:5774094
Created
June 13, 2013 14:27
why is lint saying this `unsafe` is unnecessary? There is a deref of a *ptr ...
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| /Users/fklock/Dev/Mozilla/rust.git/src/libstd/pipes.rs:106:21: 106:69 warning: unnecessary `unsafe` block [-W unused-unsafe (default)] | |
| /Users/fklock/Dev/Mozilla/rust.git/src/libstd/pipes.rs:106 { $x:expr } => ( unsafe { let y = *ptr::to_unsafe_ptr(&($x)); y } ) | |
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
| /Users/fklock/Dev/Mozilla/rust.git/src/libstd/pipes.rs:105:0: 107:1 note: in expansion of move_it! | |
| /Users/fklock/Dev/Mozilla/rust.git/src/libstd/pipes.rs:321:24: 321:46 note: expansion site | |
| /Users/fklock/Dev/Mozilla/rust.git/src/libstd/os.rs:962:12: 968:13 warning: unnecessary `unsafe` block [-W unused-unsafe (default)] | |
| /Users/fklock/Dev/Mozilla/rust.git/src/libstd/os.rs:962 unsafe { | |
| /Users/fklock/Dev/Mozilla/rust.git/src/libstd/os.rs:963 if do str::as_c_str(to.to_str()) |to_buf| { | |
| /Users/fklock/Dev/Mozilla/rust.git/src/libstd/os.rs:964 libc::chmod(to_buf, from_mode as mode_ |
pnkfelix
/ gist:5798282
Created
June 17, 2013 16:40
OS X, custom-installed nspr (in ~/opt/nspr/...) and brew-installed nspr (in /usr/local/...) error
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| % LD_LIBRARY_PATH=~/opt/nspr/lib /Users/pnkfelix/Dev/Mozilla/iontrail-tests/objdir-dbg-js/js -f /Users/pnkfelix/Dev/Mozilla/iontrail-tests/js/src/jit-test/lib/prolog.js -e "const platform='darwin'; const libdir='/Users/pnkfelix/Dev/Mozilla/iontrail-tests/js/src/jit-test/lib/'; const scriptdir='/Users/pnkfelix/Dev/Mozilla/iontrail-tests/js/src/jit-test/tests/parallelarray/'" -f /Users/pnkfelix/Dev/Mozilla/iontrail-tests/js/src/jit-test/tests/parallelarray/alloc-array.js | |
| dyld: Library not loaded: @executable_path/libplds4.dylib | |
| Referenced from: /Users/pnkfelix/Dev/Mozilla/iontrail-tests/objdir-dbg-js/js | |
| Reason: no suitable image found. Did find: | |
| /usr/local/lib/libplds4.dylib: mach-o, but wrong architecture | |
| Trace/BPT trap: 5 |
pnkfelix
/ play-tt-parse1.rs
Last active
December 18, 2015 21:49
Rightward-drifting macro expression, 2880 occurrences of macro m!
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| macro_rules! m( | |
| ($e1:expr @ $e2:expr) => ({ $e1 }) | |
| ) | |
| fn main() { | |
| let _x = | |
| m!(11 @ m!(12 @ m!(13 @ m!(14 @ m!(15 @ m!(16 @ m!(17 @ m!(18 @ m!(19 @ | |
| m!(21 @ m!(22 @ m!(23 @ m!(24 @ m!(25 @ m!(26 @ m!(27 @ m!(28 @ m!(29 @ | |
| m!(31 @ m!(32 @ m!(33 @ m!(34 @ m!(35 @ m!(36 @ m!(37 @ m!(38 @ m!(39 @ | |
| m!(41 @ m!(42 @ m!(43 @ m!(44 @ m!(45 @ m!(46 @ m!(47 @ m!(48 @ m!(49 @ |
pnkfelix
/ gist:5956068
Last active
December 19, 2015 12:38
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| trait A { fn foo(&self); } | |
| trait B<X:A> { fn bar(&self, @X); } | |
| trait C<X:A, Y:B<X>> { fn baz(&self, @X, @Y); } | |
| // This doesn't work, as trait bounds are not allowed in structure defn's.x | |
| // struct Cat<X:A, Y:B<X>> { x: @X, y: @Y } | |
| // Workaround by putting the check elsewhere | |
| struct Cat<X, Y> { x: @X, y: @Y } |
pnkfelix
/ gist:6192665
Last active
December 20, 2015 20:49
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| struct S { x: int } | |
| impl S { | |
| fn f(self) { | |
| let mut ms = self; | |
| println(fmt!("self pre: %? ms pre: %?", self, ms)); | |
| ms.x = 4; | |
| println(fmt!("self post: %? ms post: %?", self, ms)); | |
| } | |
| } |
pnkfelix
/ toksize.rs
Last active
December 20, 2015 20:48
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| % rustc /tmp/toksize.rs && /tmp/toksize | |
| warning: no debug symbols in executable (-arch x86_64) | |
| size_of(Token): 192 |
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| // Copyright 2012 The Rust Project Developers. See the COPYRIGHT | |
| // file at the top-level directory of this distribution and at | |
| // http://rust-lang.org/COPYRIGHT. | |
| // | |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
| // option. This file may not be copied, modified, or distributed | |
| // except according to those terms. |
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| -*- mode: compilation; default-directory: "~/Dev/RustVisitParam/rust1.git/objdir-dbgopt/" -*- | |
| Compilation started at Tue Aug 13 18:57:16 | |
| time remake -j8 | |
| cfg: build triple x86_64-apple-darwin | |
| cfg: host triples x86_64-apple-darwin | |
| cfg: target triples x86_64-apple-darwin | |
| cfg: enabling more debugging (CFG_ENABLE_DEBUG) | |
| cfg: host for x86_64-apple-darwin is x86_64 | |
| cfg: os for x86_64-apple-darwin is apple-darwin |