:title
Get a child by path

:sig
function get_by_path(value : dval, path : string) dval

:params
value : source value
path : slash-separated child path

:returns
The child itself, or an empty string value when the path fails.

:content
`get_by_path(value, path)` reads a nested child without creating nodes. Use a slash between path segments.

:example capy render
var config := dval({"site": {"title": "Bearer"}})
print(get_by_path(config, "site/title"), "\n")

:see-group
dval-access
