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utop: warning when modules collide with utop deps (will become error in 5.1) #8735

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utop: warning when modules collide with utop deps (will become error in 5.1) #8735

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1 change: 1 addition & 0 deletions test/blackbox-tests/test-cases/utop/utop-module-collision.t/dune-project
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(lang dune 3.10)
1 change: 1 addition & 0 deletions test/blackbox-tests/test-cases/utop/utop-module-collision.t/init_react.ml
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React.run ();;
2 changes: 2 additions & 0 deletions test/blackbox-tests/test-cases/utop/utop-module-collision.t/react/dune
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(library
(name react))
1 change: 1 addition & 0 deletions test/blackbox-tests/test-cases/utop/utop-module-collision.t/react/react.ml
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let run () = print_endline "hello in utop"
7 changes: 7 additions & 0 deletions test/blackbox-tests/test-cases/utop/utop-module-collision.t/run.t
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$ opam_prefix="$(opam var prefix)"
$ export BUILD_PATH_PREFIX_MAP="/OPAM_PREFIX=$opam_prefix:$BUILD_PATH_PREFIX_MAP"

$ dune utop react -- init_react.ml
File "react/react.cma(React)", line 1:
Warning 31 [module-linked-twice]: files react/react.cma(React) and /OPAM_PREFIX/lib/react/react.cma(React) both define a module named React
hello in utop
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