Recent questions tagged ocaml

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ocaml - What is the difference between 'a and '_l?

What is the difference between 'a and '_l? I was looking at this error, and couldn't comprehend it: Error: ... ('_l → float polynomial) list See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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ocaml - use ocamlformat with cppo and dune

to make our code work with multiple ocamlgraph versions, we are using this snippet in one of our files ... /stackoverflow.com/questions/65854619/use-ocamlformat-with-cppo-and-dune...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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ocaml - undefined reference to `caml_names_of_builtin_cprim'

I'm trying to compile a tiny C program that uses the OCaml GC independently of Ocaml itself. The code: ... com/questions/65910143/undefined-reference-to-caml-names-of-builtin-cprim...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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978 views

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ocaml - Alternative dependencies error when switch from dune 1.1 to dune 2.0

I switched my dune project version from (lang dune 1.1) to (lang dune 2.0) which produced an error for the handling ... -dependencies-error-when-switch-from-dune-1-1-to-dune-2-0...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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979 views

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ocaml - cast custom type to "option" custom type

I'm new with Ocaml and functional programming, and I'm trying to implement some data structures that respect some ... .com/questions/65644425/cast-custom-type-to-option-custom-type...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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846 views

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ocaml - If SML.NET had functors why can't F#?

This question started out from My translating of "ML for the Working Programmer" (WorldCat) by L. C. PAULSON to F# ... .com/questions/14777522/if-sml-net-had-functors-why-cant-f...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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917 views

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ocaml - If SML.NET had functors why can't F#?

This question started out from My translating of "ML for the Working Programmer" (WorldCat) by L. C. PAULSON to F# ... .com/questions/14777522/if-sml-net-had-functors-why-cant-f...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

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ocaml - String blit fails with error: This expression has type string but an expression was expected of type bytes

While trying to compile the following expression : String.blit (String.make tfs.len ' ') 0 tfs.txt 0 tfs.len; the compiler ... I'm using OCaml 4.11.1 under Ubuntu 20.01.01 LTS...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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993 views

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ocaml - Type mismatch with operation on lists

New in Ocaml and I'm trying to implement a couple of functions to manage a list of a custom types. I'm trying to ... able to find the error :/, maybe this is a stupid question....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

ocaml - Create a personal type with an Hashtbl as attribute

I'm trying to create a type like this: type variable { id: string; tipe: int } type dec { variables: ... how to implement a hash map with OCaml inside the type declaration....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.2k views

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ocaml - Infinite Lists / Streams in ReScript

I can't seem to find the correct typing for an infinite list in ReScript. I first tried: type rec stream<'a> = ('a, () => ('a, ... int) => { (x, () => Lazy.from_fun(from(x+1))) }...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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