On Fri, 19 Aug 2022 19:46:11 +0530, Linus Björnstam wrote: > > The error I find in the manual is: > > Scheme Procedure: error msg arg … > > Raise an error with key misc-error and a message constructed by > displaying msg and writing arg .... > > Where are you getting your info?
On Sat, 20 Aug 2022 02:09:59 +0530, Maxime Devos wrote: > > (scm-error 'misc-error 'the-procedure-name "foo ~a" '("args") '()) > > The documentation in the manual is a bit confusing -- as 'scm-error' > is mentioned right after 'error', you might easily read "message > constructed by displaying msg and writing arg" as "it displays and > writes using 'format' on msg and the arg ...". Some room for > improvement there. You are both correct. My motivation was to use the assert macro from guile-libs (www.nongnu.org/guile-lib/doc/ref/debugging.assert/). In assert.scm (version 0.2.7), the error procedure invocation on line 62 uses "~a". So should this invocation be replaced by scm-error instead? My thanks to authors of both responses. Regards sidhu1f On Sat, Aug 20, 2022 at 2:10 AM Maxime Devos <maximede...@telenet.be> wrote: > > > On 19-08-2022 01:44, sidhu1f wrote: > > According to the guile (version 3.0.7) reference manual, (error "foo > > ~a" 'bar) should output "foo bar" but instead the output is "foo ~a > > bar". Am I missing something or is there a bug in error? > > You might need 'scm-error' instead: > > (scm-error 'misc-error 'the-procedure-name "foo ~a" '("args") '()) > > The documentation in the manual is a bit confusing -- as 'scm-error' is > mentioned right after 'error', you might easily read "message > constructed by displaying msg and writing arg" as "it displays and > writes using 'format' on msg and the arg ...". Some room for improvement > there. > > Greetings, > Maxime >