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authorAlan Wu <XrXr@users.noreply.github.com>2019-12-30 17:47:58 -0500
committerGitHub <noreply@github.com>2019-12-30 17:47:58 -0500
commit99c7b0b7ea789643bef60085ab59e4b62011ef8b (patch)
tree1ebd08d7cea926d6b8faf40f1114a76d8e399613 /proc.c
parent3e2418e2a64cadeb59e02d13b424b62b8d867ad5 (diff)
Decide lambdaness of (f << g) using g (#2729)
* Deciding lambdaness of (f << g) using g * Use version guards for spec changes
Notes
Notes: Merged-By: XrXr
Diffstat (limited to 'proc.c')
-rw-r--r--proc.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/proc.c b/proc.c
index cb5ffdab9a..7094a021f3 100644
--- a/proc.c
+++ b/proc.c
@@ -3386,8 +3386,14 @@ rb_proc_compose_to_left(VALUE self, VALUE g)
procs[1] = g;
args = rb_ary_tmp_new_from_values(0, 2, procs);
- GetProcPtr(self, procp);
- is_lambda = procp->is_lambda;
+ if (rb_obj_is_proc(g)) {
+ GetProcPtr(g, procp);
+ is_lambda = procp->is_lambda;
+ }
+ else {
+ VM_ASSERT(rb_obj_is_method(g) || rb_obj_respond_to(g, idCall, TRUE));
+ is_lambda = 1;
+ }
proc = rb_proc_new(compose, args);
GetProcPtr(proc, procp);