Display the source code of a procedure or the entries of a domain
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expose(f) displays the source code of the MuPAD® procedure
the entries of the domain
Usually, procedures and domains are
printed in abbreviated form.
expose serves to display
the complete source code of a procedure and all entries of a domain,
respectively. However, you cannot use
look at the source code of kernel functions.
f is a domain, then
The arguments of the call are equations of the form
= value, where
value equals the value
expose is not recursively
f::index; hence, the source code of
domain methods is not displayed.
expose returns a syntactically valid MuPAD object,
this return value is intended for screen output only, and further
processing of it is deprecated.
expose, you can inspect the source
code of procedures of the MuPAD library:
proc(x) name sin; local f, y; option noDebug; begin if args(0) = 0 then error("no arguments given") else ... end_proc
When applied to a domain,
expose shows the
entries of that domain:
domain DOM_NULL new := proc new() ... end; new_extelement := proc new_extelement(d) ... end; Content := proc DOM_NULL::Content(Out, x) ... end; end_domain
expose to other objects is legal
but generally useless:
In addition to the usual overloading mechanism for domain elements,
a domain method overloading
expose must handle
the following case: it will be called with zero arguments when the
domain itself is to be exposed.
f is a procedure,
expose returns an object of the domain
The only purpose of this domain is its "print" method;
manipulating its elements should never be necessary. Therefore it