SharedLibrary -- a shared library

Description

A shared library that could be used to load foreign functions. Each shared library object consists of a pointer to a handle for the library and a string that is used by describe, expression, net, texMath, toExternalString, and toString.

i1 : mpfr = openSharedLibrary "mpfr"

o1 = mpfr

o1 : SharedLibrary

i2 : peek mpfr

o2 = SharedLibrary{0x7c80a7289fc0, mpfr}

Functions and methods returning a shared library :

openSharedLibrary -- open a shared library

Methods that use a shared library :

foreignFunction(SharedLibrary,String,ForeignType,ForeignType) -- see foreignFunction -- construct a foreign function
foreignFunction(SharedLibrary,String,ForeignType,VisibleList) -- see foreignFunction -- construct a foreign function
foreignSymbol(SharedLibrary,String,ForeignType) -- see foreignSymbol -- get a foreign symbol
describe(SharedLibrary)
expression(SharedLibrary)
net(SharedLibrary)
texMath(SharedLibrary)
toExternalString(SharedLibrary)
toString(SharedLibrary)

For the programmer

The object SharedLibrary is a self initializing type, with ancestor classes BasicList < Thing.