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Guest
Posted: Fri Dec 11, 2009 4:48 pm Reply with quote
Guest
-module(foo).

-export([f/0, g/1]).

f() ->
cover:start(),
{ok,foo} = cover:compile_module(foo).

g(SeqIds) -> << <<3:2, SeqId:62>> || SeqId <- SeqIds >>.

$ erlc -Wall -v +debug_info foo.erl
$ erl
Erlang R13B03 (erts-5.7.4) [source] [64-bit] [smp:4:4] [rq:4] [async-threads:0] [hipe] [kernel-poll:false]

Eshell V5.7.4 (abort with ^G)
1> foo:f().

=ERROR REPORT==== 11-Dec-2009::16:10:15 ===
Error in process <0.35.0> with exit value: {{badmatch,{bin,9,[{bin_element,9,{integer,9,3},{integer,9,2},default},{bin_element,9,{var,9,'SeqId'},{integer,9,62},default}]}},[{cover,munge_expr,2},{cover,munge_body,4},{cover,munge_clauses,4},{cover,munge,4},{cover,transform_2...

** exception exit: {{badmatch,{bin,9,
[{bin_element,9,{integer,9,3},{integer,9,2},default},
{bin_element,9,{var,9,'SeqId'},{integer,9,62},default}]}},
[{cover,munge_expr,2},
{cover,munge_body,4},
{cover,munge_clauses,4},
{cover,munge,4},
{cover,transform_2,5},
{cover,transform,4},
{cover,do_compile_beam,2},
{cover,main_process_loop,1}]}
in function cover:call/1
in call from cover:compile_modules/3
in call from cover:compile_module/2
in call from foo:f/0


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Hans Bolinder
Posted: Mon Dec 14, 2009 2:20 pm Reply with quote
User Joined: 05 Nov 2008 Posts: 24 Location: Stockholm
[Matthew Sackman:]
> g(SeqIds) -> << <<3:2, SeqId:62>> || SeqId <- SeqIds >>.

Thanks!

There is a patch on GitHub, see

http://github.com/erlang/otp/commit/420b28bb007946307eeda5d4e2bf200fe0ee25ba

Best regards,

Hans Bolinder, Erlang/OTP team, Ericsson

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