跨多个文件拆分 F# 模块 [英] Split F# modules across multiple files

问题描述

是否可以跨文件拆分 F# 模块?

Is it possible to split an F# module across files?

根据我手上的那本书，这本书可能已经过时了(F# 的基础)

According to the book I have it is, but the book is probably outdated (Foundations of F#)

推荐答案

显然不是:

C:	empTim>type 1.fs 2.fs

1.fs


#light
module Module

let sayHello1 = printfn "Hello, "

2.fs


#light
module Module

let sayHello2 = printfn "world!"

C:	empTim>fsc 1.fs 2.fs
Microsoft F# Compiler, (c) Microsoft Corporation, All Rights Reserved
F# Version 1.9.6.2, compiling for .NET Framework Version v2.0.50727

2.fs(2,1): error FS0191: An implementation of the file or module Module has already been given.

更新:F# 4.0 中的错误已更改，现在是:

Update: the error has changed in F# 4.0, it is now:

错误 FS0248:此程序集的两个部分中出现两个名为Module"的模块

error FS0248: Two modules named 'Module' occur in two parts of this assembly

其中 Module 是程序集的完全限定名称，包括命名空间部分.

where Module is the fully qualified name of your assembly, including the namespace part.

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