[erlang-questions] Where to find a full list of OTP built-in types specifications?

Gary Hai gary@REDACTED
Wed Oct 26 09:03:17 CEST 2011


Thanks a lot. I want to get the full list of built-in types spec, while as dict() is missed in official document but is used anywhere. So another question is where is the built-in types specs declared, specially, the dict() type.
> ./lib/compiler/src/rec_env.erl:-type mapping()     :: {'map', dict()} | {'rec', dict(), dict()}.

On Oct 26, 2011, at 12:30 PM, Michael Richter wrote:

> michael@REDACTED:~/Development/Erlang/otp_src_R14B04$ for a in type spec ; do grep "^-$a" $(find . -name *.erl -or -name *.hrl) ; done
> ./bootstrap/lib/parsetools/include/yeccpre.hrl:-type yecc_ret() :: {'error', _} | {'ok', _}.
> ./bootstrap/lib/stdlib/include/erl_bits.hrl:-type bt_endian():: 'big' | 'little' | 'native'.
> ./bootstrap/lib/stdlib/include/erl_bits.hrl:-type bt_sign()  :: 'signed' | 'unsigned'.
> ./bootstrap/lib/stdlib/include/erl_bits.hrl:-type bt_type()  :: 'integer' | 'float' | 'binary' | 'utf8' | 'utf16' | 'utf32'.
> ./bootstrap/lib/stdlib/include/erl_bits.hrl:-type bt_unit()  :: 1..256.
> ./lib/compiler/test/compile_SUITE.erl:-type all_return_type() :: [atom()].
> ./lib/compiler/src/rec_env.erl:-type mapping()     :: {'map', dict()} | {'rec', dict(), dict()}.
> ./lib/compiler/src/rec_env.erl:-type environment() :: [mapping(),...].
> ./lib/compiler/src/v3_core.erl:-type iapply()    :: #iapply{}.
> ./lib/compiler/src/v3_core.erl:-type ibinary()   :: #ibinary{}.
> ./lib/compiler/src/v3_core.erl:-type icall()     :: #icall{}.
> ./lib/compiler/src/v3_core.erl:-type icase()     :: #icase{}.
> ./lib/compiler/src/v3_core.erl:-type icatch()    :: #icatch{}.
> ./lib/compiler/src/v3_core.erl:-type iclause()   :: #iclause{}.
> ./lib/compiler/src/v3_core.erl:-type ifun()      :: #ifun{}.
> ./lib/compiler/src/v3_core.erl:-type iletrec()   :: #iletrec{}.
> ./lib/compiler/src/v3_core.erl:-type imatch()    :: #imatch{}.
>> 
> From there redirect to a file or run it for further processing through an awk script and you've got a list of all types and function specifications in the entire distribution arranged however you like it.
> 
> On 26 October 2011 10:31, Gary Hai <gary@REDACTED> wrote:
> Hi all,
> 
> I am eager for a full list of all built-in types and function specifications as reference manual for erlang coding. The erlang reference manual ( http://www.erlang.org/doc/reference_manual/typespec.html) of type specs page does not include OTP module, so I think it is not a full list.
> 
> Thanks,
> 
> Gary
> 
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