# str
Concatenate values into a string.
## Syntax
[str val1 val2 ...]
## Examples
[str "hello" " " "world"] # "hello world" [str "count: " 42] # "count: 42" [str $name " is " $age] # "Alice is 30"
## Notes
- Converts non-string values to their string representation
- For interpolation, prefer `"hello $name"` syntax
## Returns
Concatenated string.
## See Also
`join`, `upper`, `lower`, `echo`