Crate attr [−] [src]

attr - static paths for Rust

Identity	The Identity is the end of a path and provides the point where input equals output and we start returning. It's necessary for recursive path traversal, but generally not to be used in user code.
InsecurePath	A path path describing how to retrieve a value at a point, and then recursive down the rest of the path.
MapPath	A path that describes a mapping operation, which later application of a subpath.
Path	A plain path describing how to retrieve a value at a point, and then recursive down the rest of the path.

Attr	Direct access to an attribute of a type.
IndexableAttr	Access to a part of the attribute by index
InsecureAttr	Direct, possibly failing access to an attribute of a type.
InsecureIndexableAttr	Access to a part of the attribute by index, where access can fail
InsecureIterableAttr	Insecure variant of iteration over an attribute
IterableAttr	Iteration over an attribute
Traverse	Recursive path traversal

retrieve	`retrieve` is the starting point of a path that always returns a value.
retrieve_insecure	`retrieve_insecure` is the starting point of a path that is not always present. For that reason, it returns a Result indicating the success of the path operation.

In case of failed traversals, this Result type is returned.