fix: Avoid calling non-const function of const circuit object (#129)

rwakizaka · doichanj · web-flow · commit c43f6bf33fda · 2025-11-14T14:42:59.000+09:00
Co-authored-by: Jun Doi &lt;doichan@jp.ibm.com&gt;
diff --git a/src/providers/qkrt_backend.hpp b/src/providers/qkrt_backend.hpp
@@ -103,7 +103,8 @@ class QkrtBackend : public BackendV2 {
         if (shots == 0)
             shots = input_pubs[0].shots();
 
-        int ret = qkrt_sampler_job_run(&job, service_.get(), backend_, input_pubs[0].circuit().get_rust_circuit().get(), shots, NULL);
+        auto circuit = input_pubs[0].circuit();
+        int ret = qkrt_sampler_job_run(&job, service_.get(), backend_, circuit.get_rust_circuit().get(), shots, NULL);
 
         return std::make_shared<providers::QkrtJob>(service_, std::shared_ptr<qkrt_Job>(job, qkrt_job_free));
     }

Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,8 @@ class QkrtBackend : public BackendV2 {`
`103`	`103`	`if (shots == 0)`
`104`	`104`	`shots = input_pubs[0].shots();`
`105`	`105`
`106`		`- int ret = qkrt_sampler_job_run(&job, service_.get(), backend_, input_pubs[0].circuit().get_rust_circuit().get(), shots, NULL);`
	`106`	`+ auto circuit = input_pubs[0].circuit();`
	`107`	`+ int ret = qkrt_sampler_job_run(&job, service_.get(), backend_, circuit.get_rust_circuit().get(), shots, NULL);`
`107`	`108`
`108`	`109`	`return std::make_shared<providers::QkrtJob>(service_, std::shared_ptr<qkrt_Job>(job, qkrt_job_free));`
`109`	`110`	`}`