一个朴素的想法是:通过查询每个 let 绑定的变量的类型,从而扫描整个类型环境——事实上,Caml 实现最初就是这么做的。然而类型环境可能会很大:典型的 ML 函数包含了非常长的 let 表达式序列。非递归 let 会包含之前的所有 let 绑定,而递归 let 除此之外还会包含自己的 let 绑定,扫描单个 let 的类型环境的复杂度...
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run @@ fun env -> let proc_mgr = Eio.Stdenv.process_mgr env in Eio.Process.run proc_mgr ["tr"; "a-z"; "A-Z"] ~stdin:(Eio.Flow.string_source "One two three\n");; ONE TWO THREE - : unit = ()If you want to capture the output of a process, you can provide a ...
就像 PDO 中的 PDO_Statment 对象一样，MySQLI_STMT 对象也是一个预处理语句所形成的对象，专门用来...
您好，这样的：抽象语法树的结构不依赖于源语言的文法，也就是语法分析阶段所采用的上下文无关文法。因为在Parser工程中，经常会对文法进行等价的转换（消除左递归、回溯、二义性等），这样会给文法引入一些多余的成分，对后续阶段造成不利影响，甚至会使各阶段变得混乱。因此，很多编译器（包括GJC）经常要...
run @@ fun () -> let pid = spawn (fun () -> match receive () with | Hello_world -> Logger.info (fun f -> f "hello world from %a!" Pid.pp (self ())); shutdown ()) in send pid Hello_world At its core Riot aims to offer: Automatic multi-core scheduling –when you ...
external temp_dir_name: unit -> string = "caml_sys_temp_dir_name" let temp_dir_name = temp_dir_name () let temp_dir_name = try Sys.getenv "TEMP" with Not_found -> "." let quote s = let l = String.length s in let b = Buffer.create (l + 20) in10...
This PR implements the assembler, proc and emit changes needed to get ARM64 working. I have tested it using the compiler testsuite on MacOS/M1 and a Linux/Graviton2. What this PR intends to do: im...
2 changes: 1 addition & 1 deletion 2 backend/amd64/simd_proc.ml Original file line numberDiff line numberDiff line change @@ -99,7 +99,7 @@ let register_behavior_sse41 = function | Blendv_8 | Blendv_32 | Blendv_64 -> R_RM_xmm0_to_fst | Extract_i64 _ | Extract_i32 _ ...
Doesn't seem to break the Fedora build. Please let me know if it helps on Ubuntu? No: with git commit 20170804.28819d4, I get the exact same compilation error. I believe the extra define in line libgv_ocaml_la_CPPFLAGS = $(BASECPPFLAGS) $(OCAML_INCLUDES) -Dint64=int64_t ...