[Boost-users] RE : [lambda] for thread bind

Subject: [Boost-users] RE : [lambda] for thread bind
From: Eric MALENFANT (Eric.Malenfant_at_[hidden])
Date: 2009-09-10 16:24:00

Boost lzw wrote:
[snip]
> but the lambda version does not compile. Why? Thanks.
> -------------------------------------

> void test_thread(std::string s)
> {
>            cout << "string is" << s << endl;
> }
> 
> std::string s("I am a string");
> boost::thread inquiry_thread(bind(test_thread, _1)(s) );
> 

bind(test_thread, _1) creates a functor expecting one argument. Appending "(s)" right after invokes that functor, passing it s as an argument.

What you want is: bind(&test_thread, s)