| c.qenv | Join 'qenv' objects | 
| c.qenv.error | Join 'qenv' objects | 
| concat | Concatenate two 'qenv' objects | 
| concat-method | Concatenate two 'qenv' objects | 
| dev_suppress | Suppresses plot display in the IDE by opening a PDF graphics device | 
| eval_code | Evaluate code in 'qenv' | 
| eval_code-method | Evaluate code in 'qenv' | 
| get_code | Get code from 'qenv' | 
| get_code-method | Get code from 'qenv' | 
| get_env | Access environment included in 'qenv' | 
| get_env-method | Access environment included in 'qenv' | 
| get_messages | Get messages from 'qenv' object | 
| get_messages-method | Get messages from 'qenv' object | 
| get_var | Get object from 'qenv' | 
| get_var-method | Get object from 'qenv' | 
| get_warnings | Get warnings from 'qenv' object | 
| get_warnings-method | Get warnings from 'qenv' object | 
| join | Join 'qenv' objects | 
| join-method | Join 'qenv' objects | 
| qenv | Instantiates a 'qenv' environment | 
| show-method | Display 'qenv' object | 
| show-qenv | Display 'qenv' object | 
| subset-qenv | Subsets 'qenv' | 
| within.qenv | Evaluate code in 'qenv' | 
| [.qenv | Subsets 'qenv' | 
| [[.qenv.error | Get object from 'qenv' |