Module syntax::feature_gateExperimental
[-]
[+]
[src]
Feature gating
This modules implements the gating necessary for preventing certain compiler features from being used by default. This module will crawl a pre-expanded AST to ensure that there are no features which are used that are not enabled.
Features are enabled in programs via the crate-level attributes of
#![feature(...)] with a comma-separated list of features.
Structs
| Features | A set of features to be used by later passes. |
Functions
| check_crate | |
| check_crate_macros |