diff options
Diffstat (limited to 'ext/readline')
-rw-r--r-- | ext/readline/readline.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ext/readline/readline.c b/ext/readline/readline.c index 7912989c21..feab70fb30 100644 --- a/ext/readline/readline.c +++ b/ext/readline/readline.c @@ -304,6 +304,8 @@ readline_s_set_output(VALUE self, VALUE output) * should take input-string, and return an array of completion * candidates. * + * Set default if +proc+ is nil. + * * Raises ArgumentError exception if +proc+ does not respond to call method. * * Raises SecurityError exception if $SAFE is 4. @@ -312,7 +314,7 @@ static VALUE readline_s_set_completion_proc(VALUE self, VALUE proc) { rb_secure(4); - if (!rb_respond_to(proc, rb_intern("call"))) + if (!NIL_P(proc) && !rb_respond_to(proc, rb_intern("call"))) rb_raise(rb_eArgError, "argument must respond to `call'"); return rb_ivar_set(mReadline, completion_proc, proc); } |