我有一个使用该Str模块的OCaml项目，但是在编译时出现此错误：
$ make
ocaml setup.ml -build
Finished, 0 targets (0 cached) in 00:00:00.
+ /home/phase/.opam/system/bin/ocamlfind ocamlopt -g -linkpkg src/objects.cmx src/golf.cmx -o src/golf.native
File "_none_", line 1:
Error: No implementations provided for the following modules:
Str referenced from src/golf.cmx
Command exited with code 2.
Compilation unsuccessful after building 7 targets (6 cached) in 00:00:00.
E: Failure("Command ''/usr/bin/ocamlbuild' src/golf.native -tag debug' terminated with error code 10")
Makefile:7: recipe for target 'build' failed
make: *** [build] Error 1
这是一个带有以下_oasis文件的Oasis项目：
Name: GolfCaml
Version: 0.0.0
Synopsis: GolfScript Interpreter in OCaml
Authors: Jadon Fowler <[email protected]>
License: https://www.mozilla.org/en-US/MPL/2.0/
Description: GolfCaml is an interpreter for GolfScript in OCaml.
Homepage: http://jadonfowler.xyz/
OASISFormat: 0.4
BuildTools: ocamlbuild
Plugins: META (0.4), DevFiles (0.4)
Executable "golfcaml"
Path: src
MainIs: golf.ml
CompiledObject: best
这是有问题的代码：
(* Token Regex from http://www.golfscript.com/golfscript/syntax.html *)
let token_regex = Str.regexp "[a-zA-Z_][a-zA-Z0-9_]*|'(?:\\.|[^'])*'?|\"(?:\\.|[^\"])*\"?|-?[0-9]+|#[^\n\r]*|."
(* Iterate of a line and interpret each char *)
let interpret_line line =
let tokens = Str.split token_regex line in
List.iter (fun (x) -> printf "%s\n" x) tokens
您几乎拥有它；-)
Str不在标准库中，因此您需要告知oasis使用它。在您的_oasis文件中，添加您自己的一件事Executable：
_绿洲
Executable "golfcaml"
Path: src
MainIs: golf.ml
CompiledObject: best
BuildDepends:
str
它将正常工作：
make
ocaml setup.ml -build
Finished, 0 targets (0 cached) in 00:00:00.
Finished, 4 targets (0 cached) in 00:00:00.
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我来说两句