add documentation for Result Location Semantics #2809
Description
- how result locations flow across expressions
- variables
- struct initialization
- array initialization
- union initialization
- if
- while
- switch
- return
- function calls - return values & parameters
- catch
- orelse
-
@bitCast
- mention result locations: unwrap optional and error unions so that the payload can be non-copied #2761 and result location: ability to refer to the return result location before the
returnstatement #2765